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
- 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。 - Pupils are taught addition and subtraction first.
小学生首先学加法和减法。 - You've just learnt the subtraction.
你们刚学了减法。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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。 - 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