名词 n. [C] ... a road [traffic] sign 道路 [交通] 标志 the negative [minus] sign 负符号 [-] sign a new player 签约雇用新选手 ...
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The negative sign indicates that this is compressive stress.
负面的迹象表明,这是压应力。
And I've reversed the fraction here because of the negative sign here.
我交换了分子和分母,因为这里有个负号。
You'll also know that all of these binding energies here are negative, so the negative sign indicates that it's low.
你们将会知道所有的这些,结合能都是负的。
You'll also know that all of these binding energies here are negative, so the negative sign indicates that it's low.
你们将会知道所有的这些,结合能都是负的。
And I've reversed the fraction here because of the negative sign here.
我交换了分子和分母,因为这里有个负号。
Infinity is the force when we're thinking about it and our brains, negative infinity is when we actually plug it into the equation here, and the reason is the convention that the negative sign is just telling us the direction that the force is coming together instead of pushing apart.
说力有多大时,我们想到的,是无穷大,而方程解出来的,是负无穷,这是因为习惯上,我们用负号表示力的方向,是相互吸引而不是相互排斥的,所以我们可以用库仑定律。
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