subtraction
英 [səb'trækʃ(ə)n]
美 [səb'trækʃən]
n. 扣除; 减法
复数：subtractions
BNC.21520 / COCA.21980
柯林斯词典
- VERB 减;减去
If yousubtractone numberfromanother, 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.- 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。 - 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。
- Mandy subtracted the date of birth from the date of death...
英英释义
noun
- the act of subtracting (removing a part from the whole)
- he complained about the subtraction of money from their paychecks
- an arithmetic operation in which the difference between two numbers is calculated
- the subtraction of three from four leaves one
- four minus three equals one
双语例句
- 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。 - 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。 - The arithmetic operations include addition, subtraction, multiplication and division.
算术运算包括加、减、乘和除。 - 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。 - 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。 - 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。 - 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； - You've just learnt the subtraction.
你们刚学了减法。 - 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。 - 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。