1.

1. 差集：我们可以用AME的并集(Unions) 、差集(Subtraction)和交集(Intersections)等功能组建组合体. 图1中,由左至右分别是两个圆柱体叠加、切割、和求交集后的立体图. 如图五即为AutoCAD所绘图样,当在(Floating Model Space)模式下绘出图四的三视图后,

2. subtraction的近义词

2. 减少：Differential In-Gel Analysis (DIA) 模块实现背景减少(subtraction), 归一化,量化,和在一个相同胶内的来自两个和三个样本的斑点匹配. 当使用多重胶的时候,由汇聚成(pooled)的内部标准的链接,采用BVA (Biological Variation Analysis )模块,

3. subtraction是什么意思

3. 减：下面是使用上面所述的机制的3个基本的CSG操作:合并(Union)、相交(Intersection)和减(Subtraction). CSG是从简单的实体的逻辑组合来构建复杂的实体的过程. 基本的逻辑操作(如合并、相交和补集)用来作为三维实体之间的关系操作. 在这些算法中,

4. subtraction：sub; 配合减影

1. subtraction的解释

1. Subtraction 7.0 NYTimes. com's Design Director, Khoi Vinh, blogs about design and other relevant info.
    减法7.0 - NYTimes.com氏设计总监，科伊荣，对设计和其他有关信息的博客。

2. subtraction的解释

2. The traditional methods for sky spectrum subtraction and spectral line extraction are improved reasonably and effectively by means of the presented algorithms for de-noising and continuum fitting. Experimental results show the superiority of our improved algorithms.
    利用本文提出的去噪和拟合连续谱算法，对传统的减天光和谱线提取方法进行了合理有效的改进，实验结果表明了改进算法的优越性。

3. In this paper, we proposed an approach based on image subtraction and image classification.
    本文提出了一种基于图像差值和分类专题图的城市扩展变化提取方案。

4. subtraction的解释

4. Digital circuits based on the study and understanding, through the use of 555 timers to more than 10% of the Association oscillator output frequency, from the D flip-flop on the role of sub-frequency link with the semiconductor 74138, 74192, 74138, 7448, 74148, 74257 of a digital subtraction for.
    基于对数字电路的学习和了解，通过使用555定时器接成的多协振荡器输出频率，由D触发器作用分频连接上74138，74192，74138，7448，74148，74257与半导体数码管构成减法器。

5. To achieve two number two decimal addition and subtraction operations, and has a friendly interface.
    能够实现两个二位十进制数的加减运算，并具有友好的界面。

6. subtraction的解释

6. Beginning with classification of multiple reflections and introduction of the elimination methods, principle of SRME based on the plane-wave propagation model for a horizontally layered earth was discussed, and then the iterative procedure of the prediction and subtraction of the surface related multiples in real seismic data was described.
    在介绍多次波类型和常见压制方法的基础上，引出SRME方法。

7. First the method employs a background subtraction to separate human object, and builds skeleton model of human lower limbers.
    该方法首先采用背景剪除技术从图像序列中分割人体目标对象，并建立人体下肢骨架模型。

8. Objective: To evaluate the diagnostic value of 64 multidetector CT angiography for internal carotid artery stenosis compared with digital subtraction angiography and follow up of carotid endarterectomy and percutaneous transluminal stenting. Methods: We included all patients with interpretable CTA and DSA of the cervical carotid arteries from May 2005 to Desember 2005. This yieled a total of 80 vessels.
    目的：通过与数字减影血管造影（digital subtraction angiograph，DSA）对比，评价64排容积CT血管造影（CT angiography，CTA）诊断颈内动脉（internal carotid artery，ICA）狭窄及内膜切除术和支架置入术后随访中的价值，CT血管造影可作为短暂性脑缺血（transient ischemic attach，TIA）发作的首选检查方法。

9. subtraction

9. This is the compilation of languages with a decimal addition and subtraction calculator curriculum design.
    详细说明：此为用汇编语言编写的一个十进制加减计算器的课程设计。

10. Understand and grasp the rules to do decimal addition and subtraction problems.
    理解小数加、减法的算理，掌握其计算法则是教学重点。

11. The purpose of the study was to investigate tile apprehension of the 5th grade students who had learned the unit of three digits of decimal addition and subtraction concepts.
      本研究旨在探讨国小五年级学重在「三位小数的加减」概念上之理解情形，并利用自编纸笔测验，透过SS分析法绘制「三位小数加减」概念图，又根据日本学者竹谷诚教授1997年发展之LFT计分理论来分析概念图，以了解学童学习脉络，并对有待加强的三位小数加减概念，提出补救教学之有效措施。

12. Pointer subtraction shall only be applied to pointers that address elements of the same array.
      17.2 指针的减法只能应用于指示同一个数组的元素地址的指针之间。

13. subtraction在线翻译

13. The motion part of the watergate can be obtained by the subtraction between two sequential pictures. The accurate and real-time background can be obtained via the alteration on the traditional algorithm of background subtraction.
      由前后两帧图像的灰度差值得到闸门的运动部分；通过对传统差影法在算法上的改进，获得了实时准确的背景图片。

14. Methods 11 patients suffered from refractory hemorrhage of digestive tract were reviewed with selective catheterization and super selective catheterization digital subtraction angiography, and the patients with positive signs would be treated with embolization or drug injection into target vessels.
      对11例难治性消化道出血的患者进行选择性插管及超选择插管数字减影血管造影术分析，并对造影阳性者采用靶血管栓塞或靶血管药物灌注治疗。

15.

15. Objective To make an evaluation on clinical application value of DSA diagnosis and interventional therapy for refractory hemorrhage of digestive tract. Methods 11 patients suffered from refractory hemorrhage of digestive tract were reviewed with selective catheterization and super selective catheterization digital subtraction angiography, and the patients with positive signs would be treated with embolization or drug injection into target vessels.
      目的 评价难治性消化道出血的DSA诊断和介入治疗的临床应用价值方法对11例难治性消化道出血的患者进行选择性插管及超选择插管字减影血管造影术分析，并对造影阳性者采用靶血管栓塞或靶血管药物灌注治疗。

16. In the packaging business card printing and membership card making ink industry due to the use of the subtraction principle the subtractive primary colors of the complementary color.
      在我国包装制卡和会员卡制作油墨行业中由于使用的减法原则，所以采用三原色的补色。

17. Miss Lee: The addition sums are over, so let`s do the subtraction ones.
      李老师：计完加法，现在算减法。

18. Experiment include the operation of a half adder, full adder, plus/subtraction device, and the use of logic diagram VHDl descripti...
      实验课的作业，包括半加器、全加器、加/减法器，使用逻辑图和VHDl描述，包括分析和报告。

19. Has scale, subtraction, material discharge and lift functions, all are done at a time.
      同时具有磅秤、扣重、倾料、分装、堆高之多重功能，一次帮您解决倒料所产生的全部问题。

20. subtraction

20. According to the operation regulations of Boolean SUBTRACTION, DIVISION and NOT, the standard DOS and SOD expansions of an arbitrary logic function in these complete sets were deduced from the minterm expansion and maxterm excpansion in AND-OR-NOT algebraic system.
      从与－或－非代数系统中的最小项、最大项展开式出发，推导了任意逻辑函数在减－除－非代数系统中的标准DOS和标准SOD展开式。

1. the act of subtracting (removing a part from the whole)

    e.g. he complained about the subtraction of money from their paychecks

    Synonym: deduction

2. an arithmetic operation in which the difference between two numbers is calculated

    e.g. the subtraction of three from four leaves one
           four minus three equals one

    Synonym: minus