1.减去,扣除 (from)
1.to take a number or amount from another number or amount. The symbol for this is – and is called a minus sign
2.to take away a small part of something
1.What Dr Shields did was to work out a way of subtracting the noise, and thus extracting the signal .
谢尔兹博士所做的就是找出法子降低噪音，从而将信号提取出来。
2.Early computers did nothing but compute: adding, subtracting, multiplying, and piding.
早期的计算机只能做加减乘除运算。
3.or it might be some way of "rebooting" the gut microbiome directly, by adding missing species or subtracting unwanted ones.
或直接通过添加缺失的物质或减去不需要的物质“重启”肠道微生物组
4.Instead of stripping off the least significant 1 bit (i. e. subtracting), we now add it on at each stage to get the next entry to adjust.
剥离而不是最不显着1位（即扣除）外，我们现在在每个阶段，到下一个条目得到调整。
5.You do not need calculus or algebra, but you must be on easy terms with basic math - adding, subtracting, multiplying, and piding.
你不需要知道微积分或高等代数，但你必须熟悉基本的算术——加、减、乘、除。
6.Increased export taxes depress domestic grain prices since the local value is determined by subtracting the tax rate from export prices.
出口税的提高降低了国内谷物价格，因为国内价格是按出口价格减去出口税来计算的。
7.If you're normally getting about seven or eight hours a night, adding or subtracting about an hour won't make much of a difference.
如果你通常没有得到每晚7-8小时睡眠的话，增加或减少大约1小时不会有太的影响。
8.The cost of goods sold during the period is determined by subtracting the ending inventory from the cost of goods available for sale. . .
这一期间的销货成本可通过可供销售的商品成本减去期末存货成本而求得…
9.Remember, in physics, the potential is defined up to adding or subtracting a constant.
注意，在物理学里面，势可以加上或者减去一个常数。
10.I understand that a carbon dioxide monitor can be turn into a oxygen monitor by subtracting the carbon atom.
我的理解是，二氧化碳监视器可以变成一个氧监测减去碳原子。