To decarbonise an economy is not a simple subtraction; it requires a near-complete overhaul.

经济脱碳不是简单减法;这需要近乎彻底改革。

Multiplications and divisions are really just many additions and subtractions.

乘法和除法实际上只是许多加法和减法累积。

This worked in reverse when doing subtraction, too.

做减法时机器会相方向工作。

Addition and subtraction are both part of math equations.

加减法两者都是数学方程式一部分。

Subtraction is not just about removing day-to-day distractions.

减法不仅仅是减去日常生活扰。

Firms are not always opposed to subtraction.

公司并不总是对减法。

Not long ago, researchers learned that 4-day-olds could understand addition and subtraction.

不久前，研究人员了解到4天孩子可以明白加减法。

Additions or subtractions to our external circumstances make very little difference.

增加或减少外部环境 产生区别很小。

Math often builds on a set of basic skills like addition, subtraction, multiplication and division.

数学基础技能不外乎加减乘除。

And a little bit about pOH, which can be calculated with logarithms, also with subtraction.

它们通常也有很低pH值。

If it's addition or subtraction it's only the number of figures after the decimal point that matters.

第一，它告诉你已经测量数据是多少。 第二，它告诉你这个值是测量到多精准。

But scientists have found that other animals, such chimpanzees, monkeys, and even pigeons can perform some addition and subtraction.

但科学家发现，黑猩猩、猴子、甚至鸽子等其它动物也能做一些加法和减法。

Here, when... In addition, subtraction, multiplication...

这里，当. . .加法，减法，乘法. . .

'A lot of subtraction, too, ' he said, dryly.

“还有很多减法，”他冷冷地说。

Circuits can be combined to perform complex operations, like addition and subtraction.

可以组合电路来执行复杂运算，例如加法和减法。

Subtraction a signed number is the same things as adding its opposite.

有符号数减法与相数加法是一样。

Up until this moment you probably believed subtraction was a fact of life.

直到这一刻，您可能还相信减法是生活事实。

Math skills such as addition, subtraction, multiplication and division should already be mastered.

应该已经掌握了加减乘除等数学技能。

Though the suckling wasn't good at subtraction, he had used a huge suction!

虽然这乳儿不擅长减法，他有巨大吸力。

This spectrum subtraction is what happens as sunlight interacts with the elements in the sun's atmosphere and in earth's atmosphere too.

当太阳光与太阳大气元素以及地球大气元素相互作用时，就会发生频谱相减。