名词 crest

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1. The business cycle is a series of peaks and troughs.
    商业周期是一系列的高峰期和低谷期。

1. trough

1. 槽：给出一个半圆柱槽(trough)的图形(圆柱沿直径竖着切一半),告诉直径是2,半圆柱的容积是32,求长度. 参考答案:64/Pi

2. 低压槽：第二阶段是,当某些涡流微弱到同时被喷射气流中偶尔出现的低压槽(trough)或洛士贝波(Rossby waves)困住时,反而会合而为一. 因此,捕获、合并的过程不断进行,直到每条涡流带只剩一对涡流为止. 如上图,DE大白斑於1997~1998年时消失,

3. 水槽：然后通过一个通电的水槽(trough),这个水槽的高度设计的正好可以淹没鸡的脖子,使用的电压同样不是为了杀死,而是为了击昏鸡. 过了这道关,生产线就安静多了,乱扑哒的鸡绝大多数都已经被击昏,彻底瘫痪了,肌肉很放松,使后来的脱毛很方便.

1. Often, as I still lay at the bottom, and kept no more than an eye above the gunwale, I would see a big blue summit heaving close above me; yet the coracle would but bounce a little, dance as if on springs, and subside on the other side into the trough as lightly as a bird.
    我躺在船底，睁开一只眼睛从船边向上望去，常常看到一个蓝色巨浪耸立在我的头顶，小艇纵身一跃滑向浪涡处，像装上了弹簧一般。

2. In the space, the whaleback form is distributed near the centre of trough base, which is the abrasive zone and has high icetemperature. quick ice-velocity and strong ice-plasticity.
    空间上，鲸背岩多分布在谷底的中心附近，这是磨蚀作用带；冰温高、冰的流速快、塑性强。

3. The clay was put into a trough and mixed and beaten and sti rred and trampled. It seemed almost unbearable.
    黏土被丢进一个槽子里面，然后经过一番搀和、捶打、搅拌、践踏，那过程真是不堪其苦。

4. Poly alkyl ether C_(18)E_(20) was in combination with each of three n-fatty alcohols(1-octanol, n-dodecanol and n-octadecanol) respectively as a model of non-ionic surfactant and polar organic substance composites, which was spreaded onto air-water interface and formed a mixed monolayer on a Langmuir trough.
    以脂肪醇聚氧乙烯醚(C18E20)分别与正辛醇、十二醇和十八醇组合作为非离子表面活性剂与极性有机物混合表面活性剂的模型物，采用LB膜分析仪测定了在空气-水界面上形成混合单分子膜的表面压，通过不同摩尔分数的脂肪醇与C18E20混合膜的π-A等温线，分析了混合膜在空气-水界面上的稳定性。

5. trough的解释

5. Be able to produce acid pickling equipment, pickling trough, trough measurement, filtration facilities, sewage treatment systems, filters, all-plastic pump suction acid, oxidation groove, electrolyzer, injectors and other equipment, as well as transportation acid, alkali, salt, paper pulp such as corrosive liquids and gases in pipes and pipe fittings, performance art, energy saving, saving, corrosion resistance.
    能够生产酸洗设备、酸洗槽、计量槽、过滤设施、污水处理系统、过滤器、全塑料吸酸泵、氧化槽、电解槽、喷射器等设备，以及输送酸、碱、盐、纸浆等腐蚀性液体和气体的管道和管件，性能先进、节能、节资、耐腐蚀。

6. Using the PSU/NCAR MM5, control and dry experiment for the explosive cyclone process of 19th to 21st December in 1981 over the Western Pacific are performed. The results show that the tropopause and isothermal surfaces were raised by latent heat release in the upper level, and the disturbance trough was formed at the upper level: due to the adiabetic cooling of the ascending flow. Its adaption process resulted in the inertial instability in the upper level.
    利用PSU/NCAR MM5模式对1981年12月19日20时－21日20时一次太平洋西部气旋强烈爆发过程进行干过程和控制过程对比数值模拟试验，得出：潜热释放使对流层顶和等温面抬高，气流在高层上升冷却形成扰动槽，其适应过程使高层出现惯性不稳定。

7. The system includes three main functions:①Monitoring the running status of the eight blast-furnace trough.
    本系统主要具有三大功能：①系统对高炉料仓8个料槽的料位状态进行监测。

8. Trough experiments, the impacts of refrigerant charge amounts and capillary tube lengths on the refrigeration system was investigated, and a series of corresponding curves was drawn to find the optimal matching relations, and then according to the results of experiments, the influences of the refrigerant charge amounts and capillary tube lengths upon the performance of air conditioner was analyzed.
    通过试验的方法研究了空调器制冷剂充注量与毛细管长度对制冷系统的影响，得出了相应的试验曲线，找出最佳匹配结果，并根据试验结果分析毛细管长度与制冷剂充注量影响空调性能的规律。

9. Some results are gained.(1) There is close relation between the change of south Asia high character index, trough in the westerlies and plum rain date character (the beginning, ending dates and lasting days of plum rain, rainfall and area of rain).
    得出：(1)南亚高压特征指数变化和西风槽移动与江苏梅期（入梅、出梅、梅期、梅雨量和落区）特征有密切关系。

10. All this indicate that the main channel is a mature river. But the large-scale debris flow has happened. Base on the investigation, the paper analyzed three aspects reasons. One is that the Longlonggou is a typical debris flow trough, which is a branch of main channel and locates in the site nearby main channel outlet, and can provide a great deal of substances. Second is that main channel has broad drainage area, and it can form large-scale flood. This is a strong hydrodynamic condition, and can carry vast scale solid matter. Third is the factor of intense rainfall.
    骆驼沟流域面积大，纵坡降缓，沟谷开阔，是一条比较成熟的河流，但却发生了较大规模的泥石流，通过调查分析，认为主要有三方面原因：（1）支沟垄龙沟距主沟沟口很近，且为一条典型泥石流沟，能够为主沟泥石流的发生提供大量固体物质来源；（2）主沟汇水面积广，可形成大规模洪水，为泥石流的发生提供了强大的水动力条件，能将垄龙沟大量固体物质带到沟口；（3）强降雨因素。

11. Experts say it`s not likely for the government to put construction steel in their reserves; flat steel is more likely. 3 Market review: On the spot market, HRC/ CRC prices rebounded 10% from the Nov trough, thick steel plate up only 3%, deformed steel bars up 8%.
      专家称，政府不太可能将建筑钢材放入国家储备；更有可能是扁钢。3）市场回顾：现货市场，热轧钢和冷轧钢的价格自11月以来反弹了10％，厚钢板只上涨了3％，螺纹钢则上涨了8％。

12. But even know I get to, It's 14 days I gotta get trough it's too many days babe
      我知道，就是等14天可是，亲爱的，太长了

13. trough的近义词

13. The pulp enters into the trough from the orifice that is in the front of its body, It revolves at high speed by the impeller function, the pulp after breaking up, through the sieve plate behind the impeller, will pass the relief pulp orifice and bump to the next working prcedure.
      浆料从槽体前端的进浆口进入槽体，在叶轮作用下高速旋转，并被叶轮进行二次碎解，碎解后的浆料通过叶轮后面的筛板，经过放浆口、浆泵而进入下道工序。

14. The company can contract project in installing transformer and the high and low voltage distribution panel and each kind of electrical equipment; installing the cable tray, the pipe and the cable in the electrical or instrument project; installing the automatic control equipment, the precision instrument and the field instrument; welding and assembling medium and low pressure steam pipeline; installing and welding with the argon arc the stainless steel pipe, the galvanized pipe, the carbon steel tube, the jointless steel pipe, PVC the tube and so on each kind of craft pipeline; installing water supply and drainage pipeline; hoisting mechanical equipment, chemical barrel trough, ice water unit, each kind of boiler, pump and so on small medium and large equipment; manufacturing and installing central air conditioning and air hose in the no dust room; keeping warm on steam pipe line, partner hot pipeline, chemical barrel trough and each kind of equipment above the chemical plant, the electrical factory, the pharmaceu-tical factory, the machine factory, the thermal power plant, the water works, the paper mill etc.
      本公司可承接化工厂、电子厂、制药厂、食品厂、生技厂、机械厂、热电厂、水厂、造纸厂等各种厂房中的变压器和高、低压配电柜及各种电器设备的安装；电气、仪表工程的线槽安装、配管、拉线；自控设备及精密仪器、仪表的承装；中、低压蒸汽管线配置、电拌管线配置及焊接；不锈钢管，镀锌管，碳钢管，无缝管及PVC管等各种工艺管线的配置及氩弧焊接；给排水管线的安装；工厂机械设备，化工桶槽，冰水机组，各种锅炉及泵浦等大中小型设备的吊装；无尘室内的中央空调及风管制作与安装；蒸汽管线，伴热管线，化工桶槽及各种设备的保温工程。

15. When the guest is let sit to Tibetan square table edge, the host will take a little trough in front of the guests.
      当客人被让坐到藏式方桌边时，主人便拿过一只木碗放到客人面前。

16. According to the established sequence stratigraphic framework, systems tracts have be reconstructed in the western Guizhou and Guangxi provinces, and revealed in the distribution of alluvial, delta, paralic, carbinate platfrom and abyssal deposit within fault bounded trough.
      根据所建立的层序地层格架在贵州西部及广西省广大范围内进行了沉积体系域的重建，揭示了冲积，三角洲，碎屑海岸，碳酸盐台地和裂陷槽中的深水充填的分布，这一成果已用于富煤单元，优质铝土矿分布的预测。

17. The heavy rainfall that the impact was mainly due to frontal surface trough and low-level activities and the vortex caused by the combined effect of shear; unique geographical conditions for the formation of an rainstorm center of the formation of trigger conditions and is conducive to the role of moisture convergence.
      认为影响这次强降水主要是由于地面倒槽锋面活动和中低层低涡切变共同影响造成的；特殊的地理情况为形成安化暴雨中心形成触发条件与有利于水汽辐合的作用。

18. The result showed that the strong storm followed by mesoscale squall line was primary cause of strong sandstorm producing, steps and ladders short wave trough of 500 hPa was great criterion triggering system for the mesoscale squall line producing, the essential dynamic condition was provided by distortion field and the mesoscale low pressure of 700 hPa for the strong sandstorm forming and maintaining in mid-west of Hexi Corridor, the deep vertical circulation development condition was basic power that urged squall line to occur and sand dust to curl up, which was provided for the deep convection development by superimposition of lifting movement before ground cold front and ascendant current of secondary circulation in upper air jet entrance region, temperature and the barometric gradient around the cold front was enlarged by enhancement of ground thermal low and temperature diurnalvariation of afternoon, by which essential thermal energy unstable condition was provided for the gale and strong sandstorm eruption, the strong sandstorm appeared in downstream of -200 m^2s^(-2) center of vertical helicity, the vertical helicity had good instruction significance for development of squall line and landing region of sandstorm, the mesoscale squall line occurred in unstable stratification, basic condition of potential energy transforming as kinetic energy was provided by strong unstable stratification for the strong sandstorm forming and developing.
      结果表明：中尺度飑线所伴随的强风暴是产生强沙尘暴的主要原因；500 hPa阶梯短波槽是中尺度飑线产生的大尺度触发系统，河西走廊中西部700 hp变形场、中尺度低压为强沙尘暴形成和维持提供了必要的动力条件；地面冷锋前上升运动与高空急流入口区次级环流的上升气流的叠加，为深对流发展提供了深厚的垂直环流发展条件，是促使飑线发生和沙尘卷起的基本动力；地面热低压的加强和午后气温的日变化加大了冷锋前后的温度和气压梯度，为大风、强沙尘暴爆发提供了必要的热力不稳定条件；强沙尘暴出现在垂直螺旋度为－200平方公尺/s^2中心的下游，垂直螺旋度对飑线的发展和沙尘暴的落区具有较好的指示意义；中尺度飑线发生在不稳定层结内，较强的不稳定层结为强沙尘暴形成、发展提供了位能转化为动能的基本条件。

19. Improved divergence associated with the trough may bring some intensification in the next 24 to 48 hours.
      槽前较佳的辐散有望令白海豚於未来 24 至 48 小时增强；转向后白海豚将在较高垂直风切变和较低海温的环境下减弱。

20. We can only hope that we have reached the bottom of the trough and that things will pick up later in the year.
      我们只能希望，我们已经达到了谷底，而且事情会选择在今年晚些时候。

1. (喂家畜的)饲料槽，饮水槽
    A trough is a long narrow container from which farm animals drink or eat.

    e.g. The old stone cattle trough still sits by the main entrance.
           陈旧的石制牛食槽仍然放在大门口。

2. (两个大浪之间的)波谷
    A trough is a low area between two big waves on the sea.

    e.g. The boat rolled heavily in the troughs between the waves.
           船在波涛起伏的海浪中剧烈摇摆。

3. (商业活动等的)淡季，低谷
    A trough is a low point in a process that has regular high and low points, for example a period in business when people do not produce as much as usual.

trough的近义词

    e.g. Looking back afterwards you will see that this was not a terminal trough in your career...
           今后回想起来你就会明白，这并非你事业中一蹶不振的低谷。
    e.g. American bank shares have risen by 60% since their trough last October.
           美国的银行股自从去年 10 月跌入低谷以来已经上涨了 60%。

4. 低压槽
    A trough of low pressure is a long narrow area of low air pressure between two areas of higher pressure.

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    e.g. The trough of low pressure extended over about 1000 kilometres.
           低压槽延伸约 1,000 公里。

1. a channel along the eaves or on the roof
    collects and carries away rainwater

    Synonym: gutter

2. a container (usually in a barn or stable) from which cattle or horses feed

    Synonym: manger

3. a long narrow shallow receptacle

4. a narrow depression (as in the earth or between ocean waves or in the ocean bed)

5. a treasury for government funds

    Synonym: public treasury till

6. a concave shape with an open top

    Synonym: bowl