subtraction

英 [səb'trækʃ(ə)n]

美 [səb'trækʃən]

n.  扣除; 减法

复数：subtractions　

高考TOEFLTEM8计算机

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.
  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。

英英释义

noun

• the act of subtracting (removing a part from the whole)
  1. he complained about the subtraction of money from their paychecks
  Synonym:deduction
• 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

双语例句

• 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。
• 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。
• 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。
• 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。
• 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。
• The arithmetic operations include addition, subtraction, multiplication and division.
  算术运算包括加、减、乘和除。
• 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。
• 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
• 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。
• 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。