1. Have your glasses got plastic lenses?
    你的眼镜是用塑料镜片的吗？

1. 晶状体：1.晶状体 晶状体(lens)是一个具有弹性的双凸透明体,主要由上皮细胞构成. 晶状体外包薄层均质的晶状体囊(lens capsule),由增厚的基膜及胶原原纤维组成. 晶状体内无血管和神经,营养由房水供给. 老年人晶状体的弹性减弱,

2. 水晶体：眼球前段是聚光的部份,是由眼角膜(cornea) ,瞳孔 (pupil) ,水晶体 (lens)及玻璃体所组成. 它们的功能是调节及聚合外界入射的光线. 光线首先穿过眼角膜這片透明薄膜,经由瞳孔及水晶体,将光线屈曲及聚合在眼球的后段.

3. lens：laser engineering net shaping; 激光近成形lens

1. /u0039/u0031/u0031/u67E5/u8BE2/u00B7/u82F1/u8BED/u5355/u8BCD

1. Let us enter this mad holiday as Luo Huang's camera lens now, in the hour of each jeopardy, the affection that savours dark quick style sends out the sunshine flavor that give -- temporary we are not found out the friendship that is explained again and again in article or be love.
    现在让我们随着罗皇的镜头进入这个疯狂的假期，在每一个危难的时刻，品味冥灵式的情感散发出的阳光气息——暂时我们就不要追究文中被一再辩解的友情或是爱情了。

2. AIM: To evaluate the effect of wearing cylindrical lens on dry eyes.
    目的：观察长期配戴散光镜对散光的干眼患者的治疗作用。

3. lens

3. . It is necessary to cut the sheet 5 of Fresnel lens as the semi-finished product along the four cutting lines to remove the unwanted portions from the sheet 5 as described above.
    第8条第。既要削减表5菲涅耳透镜作为半成品，沿线四个切割线，以消除有害的部分，从表五如上文所述。

4. Effect on the proliferation and survival of human Lens epithelial cells transferred by TGF-β1 gene Introduction Cataracta is one of the most frequently growing blind ophthalmocace, The pathogenesy is still mis-classification.
    脂质体介导的TGF-β1基因转染抑制人晶状体上皮细胞增殖的实验研究前言白内障是最常见的致盲眼病之一，其发病机制尚不完全明确。

5. The camera offers generally quick performance, and extremely quick focusing and shutter response when using the ultra-wide angle lens.
    该相机提供了快速的性能一般，并非常快重点和快门反应当使用超广角镜头。

6. If the cataract is on the outer edge of the lens, no change in vision may be noticeable.
    如果白内障长在晶状体的外侧，也许在没有改变视力的时候能发现。

7. Methods A total of 86 eyes of successful rhegmatogenous retinal detachment with a higher encircling scleral buckle underwent A-scan and keratometer examination before surgery as well as l week, 4 and 12 weeks after surgery. The refractive factors included the depth of anterior chamber, thickness of lens, axial length of eye, corneal curvature and refraction of eye were detected pre- and post-operatively.
    用眼科超声仪、角膜曲率仪、验光仪等对巩膜环扎加压眼内嵴高为4～6 D的86例原发性视网膜脱离患者的86只患眼手术前1天及术后第1，4，12周时前房深度、眼轴长度、晶状体厚度、眼屈光度、角膜曲率等进行测量并将结果进行比较。

8. lens

8. Trypan-blue and alizarin red vital staining refer to lens epithelial cells, which was a practical methord to observe the morphology, density, area and the cellula vis vitalis.
    台盼蓝-茜素红活性染色可用于观察晶状体上皮细胞的形态、密度、面积以及细胞的活力，是研究晶状体上皮细胞的一种良好而实用的方法。

9. Leaf blade 3-5.5 cm, abaxial surface minutely very densely and obscurely papillate use good hand lens
    背面，3-5.5厘米的叶片微小的非常浓密和不明显 32 Tylophora gracilenta 天峨娃儿藤

10. lens在线翻译

10. Aberration of the concave mirror is reduced by a meniscus lens.
    用半月板镜头减少凹透镜的过失。

11. 911查询·英语单词

11. A sphere mirror was used to replace an off-axial parabolic mirror, and a meniscus lens was introduced to compensate aberrations.
      二级折反射系统实现激光束的高倍率扩束，由球面反射镜取代离轴抛物面镜，用一片弯月透镜补偿像差。

12. The original -- named after a popular cartoon character -- was just a cardboard box fitted with a meniscus lens.
      Brownie这个名字可以追溯到20世纪初，它本来是一个人气卡通人物形象。

13. The third lens group includes a 3rd-group 1st meniscus lens having a concave surface on the image plane, a 3rd-group 1st compound lens formed by joining a 3rd-group 1st negative lens having opposite concave surfaces and a 3rd-group 1st positive lens having opposite convex surfaces, and a 3rd-group 2nd meniscus lens having a convex surface on the image plane side arranged in that order from the screen side toward the image plane side.
      第三透镜组包括一个在像平面侧具有凹表面的第3组第一凹凸透镜，一个由具有相对凹面的第3组第一负透镜和一个具有相对凸面的第3组第一正透镜结合的第3组第一组合透镜，和一个在像平面侧具有凸表面的第3组第二凹凸透镜，它们以从屏幕侧到像平面侧的顺序布置。

14. The meniscus lens 202 may be manufactured from, e. g., BK7, B270, SF10, SF57 or F2 glass, sapphire, plastic, acrylic, silicone, epoxy, or any other suitable material capable.
      弯月透镜202可由BK7、B270、SF10、F57或F2玻璃、蓝宝石、塑料、丙烯酸、硅酮、环氧树脂或任何其它可以的适当材料制造。

15. Lens, plano-convex lens, double-convex lens, plano-concave lens, double-concave lens, plus/minus Meniscus Lens.
      球面镜：平凸透镜、双凸透镜、平凹透镜、双凹透镜、正/负弯月透镜、超半球透镜、金属球面镜、积分器及其他球面胶合镜等。

16. lens什么意思

16. RGP lens wear produce a similar type of corneal sensitivity loss for children and adult.
      RGP镜片对于儿童和成人的中央角膜敏感性的影响是相似的。

17. lens的意思

17. What we can do is try to avoid that mistake, reducing the occurrence rate of Chuanbang lens.
      我们能做到的是，尽量避免那种错误，减少穿帮镜头的出现率。

18. lens的翻译

18. Methods To engage in Guangxi Medical X-ray diagnosis, interventional therapy, medical radiation radioisotope staff undergo a medical examination, slit lamp examination with lens opacities, and then summarized the results of medical analysis.
      方法对广西从事医用X射线诊断、介入治疗、放射性同位素的工作人员进行体检，用裂隙灯检查眼晶状体混浊情况，然后对体检结果进行归纳分析。

19. lens什么意思

19. Some'.''telescopes do not use a lens at the front. They use a curved mirror at the back.
      一些'。''望远镜的前部不用透镜，而在后面装上一个曲''。

20. lens

20. A curved mirror is better than a lens in''.'some'.''ways.
      面'。''镜，曲面镜在某些方面要比透镜好。

1. 透镜；镜片
    A lens is a thin curved piece of glass or plastic used in things such as cameras, telescopes, and pairs of glasses. You look through a lens in order to make things look larger, smaller, or clearer.

lens的近义词

    e.g. ...a camera lens...
           照相机镜头
    e.g. I packed your sunglasses with the green lenses.
           我把你那副绿色镜片的太阳镜装好了。

2. （眼球的）晶状体
    In your eye, the lens is the part behind the pupil that focuses light and helps you to see clearly.

lens什么意思

3. see also: contact lens;telephoto lens;wide-angle lens;zoom lens

1. a transparent optical device used to converge or diverge transmitted light and to form images

    Synonym: lense lens system

2. electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons

    Synonym: electron lens

3. biconvex transparent body situated behind the iris in the eye
    its role (along with the cornea) is to focuses light on the retina

    Synonym: crystalline lens lens of the eye

4. (metaphor) a channel through which something can be seen or understood

    e.g. the writer is the lens through which history can be seen