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