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

经济脱碳不是简单的减法;这需要近乎彻底的改革。

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的累积。

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.

加减法两者都是数方程式的一部分。

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

减法不仅仅是减去日常生活中的干扰。

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，研究员了解到4天的孩明白加减法。

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

增加或减少的外部环境 产生的区别很小。

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

数的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.

它们通常也有很低的pH值。

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

第一，它告诉你已经测量的数据是多少。 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.

但科家发现，黑猩猩、猴、甚至鸽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.

组合电路来执行复杂的运算，例如加法和减法。

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

有符号数的减法与相数的加法是一样的。

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

直到这一刻，您能还相信减法是生活中的事实。

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，他有巨大的吸力。

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中的元素及地球大气中的元素相互作用时，就会发生频谱相减。