Development of Mental Addition Ability and Mental Subtraction Ability from First Graders to Fourth Graders in Elementary School;
小学一至四年级学生加、减法心算能力的发展研究
The identification precision of multi-spectrum signal can be improved by changing multi-spectrum signal into singleness-spectrum signal with subtraction.
将多谱线信号利用"减法"改造成单一谱线信号可大大提高谱线辨识精度。
The algorithms of basic operations for large integer,addition,subtraction and comparison,are presented based on mixed radix representation,the algorithms of multiplication,division,modulo,and greatest common divisor are conveyed from addition machins.
将大数采用混合基表示，对大数的加法、减法与比较运算给出相应的算法，并对加法机器上的乘法、除法、模运算以及求最大公因子的算法进行了移
This article discussed the probability test of plus、minus、time and divided in the college entrance examination,and refers for the colleague in the teaching.
文章从运算角度谈高考试题中概率的加、减、乘、除及其混合运算,供同行在教学中参考。
Two from five is a simple subtraction.
五减二是简单的减法.
progressive decrease of morphine content (opiumtincture)
吗啡递减法（鸦片酊递减法）
addition by subtraction
采用减法运算的加法
Try adding up this time instead of subtracting.
这次试用加法，不用减法。
Please add up this time instead of subtracting.
这次请用加法，不用减法。
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。
When you subtract two numbers, you subtract a subtrahend from a minuend.
当你作两个数的减法时，你用一个被减数去减另一个减数。
As a result, this declining-balance method of depreciation often is called double-declining-balance (or 2%-declining balance).
这种余额递减折旧法也因而称为双倍余额递减法(或2％余额递减法)。
stimulus reduction method
刺激减缩法 刺激减缩法
declining balance method
余额递减(折旧)法
linear approach
[美]划一减税办法,等比例减税法
an advantage bestowed by legislation that reduces a tax on some preferred activity.
通过立法来减税的做法。
low per capita income allowance formula
低人均收入宽减办法
I managed to cut him down by & 5.
我设法使他减价5英镑。
increment deduction formula
扣减增薪额的计算方法
testing method for degumming loss of silk fabrics
丝绸脱胶减量试验法
Harm Reduction approach
减低毒品危害的做法
attempts to reduce soil erosion
减少土壤侵蚀的做法