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 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 arithmetic operations include addition, subtraction, multiplication and division.
算术运算包括加、减、乘和除。 - 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。 - 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。 - Pupils are taught addition and subtraction first.
小学生首先学加法和减法。 - 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。 - 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。 - 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； - 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。 - 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。