subtraction

1. VERB 减;减去
   If you subtract one number from another, you do a calculation in which you take it away from the other number. For example, if you subtract 3 from 5, you get 2.
   1. Mandy subtracted the date of birth from the date of death...
      曼迪用去世的日期减去出生的日期。
   2. We have subtracted $25 per adult to arrive at a basic room rate.
      我们已给每位成人房客减去了 25 美元，这就是基本的房费价格了。

1. There will be simple tests in addition, subtraction, multiplication and division.
   会有对加、减、乘、除运算的简单测试。
2. The plus sign is used in addition and the minus is used in subtraction.
   加号用于加法；减号用于减法。
3. Arithmetic on BigDecimal values is provided by methods for addition, subtraction, multiplication, and division.
   用于加、减、乘和除的方法给BigDecimal值提供了算术运算。
4. In other words, we can use the magic of subtraction.
   换句话说，我们可以借助减法的魔力。
5. This service is a simple math calculation service, providing addition and subtraction operations.
   该服务是一个简单的数学计算服务，提供了加法和减法操作。
6. You've just learnt the subtraction.
   你们刚学了减法。
7. The easiest one to remember is that multiplication and division happen before addition and subtraction.
   其中，最简单的规则就是乘法和除法在加法和减法之前完成。
8. In a subtraction operation, the number or quantity subtracted from the minuend.
   在减法运算中，从被减数减去的那个数或量。
9. This new algorithm uses the background subtraction method to get the foreground image, and then gets the binary image using threshold value and makes the morphology processing.
   该算法利用背景差法获得前景图像，然后进行二值化和形态学处理，再和背景帧进行比较来对滞留和搬移物体进行检测和分类。
10. Background subtraction should be solved at first in intelligence surveillance and auto target recognition.
    背景消除是智能视觉监控和自动目标识别与跟踪首先要解决的问题。
11. The arithmetic operations include addition, subtraction, multiplication and division.
    算术运算包括加、减、乘和除。
12. In subtraction, one never "carries" a digit or bit on to the next left place-weight.
    在减法，一个从来没有“携带”数字或比特的下一个离开的地方体重。
13. This article proposes a pretreatment algorithm based on image registration and digital subtraction.
    论文提出了一种利用图像配准和数字差影的快速预处理算法。
14. The first two basic operations in mathematics are addition and subtraction.
    数学中两个最基础的运算是加和减。
15. Binary Addition and Subtraction, Implementation and Performance of the Full Adder, High-speed Addition, Signed Arithmetic.
    二进制加减，全加器的实现和性能，高速加法，带符号加法。
16. The main idea of the spectral subtraction algorithm is noise detection and spectral subtraction rule.
    谱相减语音增强算法的核心是噪声检测和谱减规则。
17. Businessman's books, records income and expenditure, two Numbers subtraction, is profitable.
    商人的书，记录收入和支出、两个数字减法，是有利可图。
18. Requires addition, subtraction, multiplication, division a function of the design.
    要求加法、减法、乘法、除法各设计一个函数。
19. An approach to speech-sound enhancement is proposed based on the spectral subtraction.
    提出了一种基于谱减法的语音增强算法。
20. Background subtraction and interference correction are the crucial processes to improve the precision and the resolving power of the electron microprobe analyzer.
    对提高电子探针分析精度和分辨本领的关键和难点-背景扣除和重叠峰修正的理论和方法发展进行了综述。
21. Number Keys and Basic Math Functions: Addition, Subtraction, Multiplication, Division.
    有多少钥匙和基本的数学函数：加法，减法，乘法，记名表决。
22. When combining addition and subtraction with multiplication and division it is necessary to take interim totals.
    当加减法和乘除法联合运算时，必需取得中间和数。
23. Objective To assess the displaying capabilities and advantages of routine CTA and subtraction CTA of the jugular bulb.
    目的探讨常规CTA及减影CTA技术显示颈静脉球的能力及优势。
24. A novel algorithm for moving detection, which employed adaptive background subtraction and symmetrical differencing method, was presented.
    提出一种基于动态阈值对称差分和背景差法的运动对象检测算法。
25. Objective To evaluate the clinical application of contrast-enhanced digital subtraction MRI in vertebral metastases.
    目的评估增强减影在脊椎转移瘤MRI中的应用价值。
26. Pupils are taught addition and subtraction first.
    小学生首先学加法和减法。
27. So the adding and the subtraction of vectors is way more complicated than just scalars.
    因此矢量的加法和减法，要比标量复杂。
28. One of the common methods is based on the background subtraction.
    减背景法是常用的方法之一，但其受环境光照影响；
29. Method of speech enhancement based on recursive averaging and spectral subtraction
    利用递归平均和谱减技术的语音增强方法
30. A method for performance evaluation of motion detection algorithm based on background subtraction;
    分析了时间差分法、背景减除法、光流法等常用的几种运动人体检测算法。

noun

1. the act of subtracting (removing a part from the whole)
   1. 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
   1. the subtraction of three from four leaves one
   2. four minus three equals one

   Synonym:    minus