When the product of value and weight is positive, it contributes to pushing the sum above zero.
当值与权重的乘积是正的时,它有助于促使和大于0。
They can simply check to see if the count is zero (empty) or a positive number (not empty).
它们可以轻松检查count是零(空)还是正数(非空)。
What is important to remember is that the formulas represent neutral compounds where the positive and negative charges add to zero.
重要的是记住分子式是代表中性化合物,正负电荷加和为零。
we learned that the average number of romantic relationships for people to take positive psychology in 4 years is between zero and one.
我们了解到上积极心理学课的人,在4年里恋爱次数的平均数在0到1之间。
I'm pressing on the gas. So I expect that to be a positive number. The pressure is constant 0 p. The V goes from V1 to zero.
我们对气体加压,所以这应该是一个正数,压强是常数,p,V从V1变成。
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