从图形上看，均衡数量是供给曲线和需求曲线相交时的数量。

On a graph it is the quantity at which the supply and demand curves intersect.

youdao

例如被列为“已恢复”物种的细鳞大马哈鱼，2007年时的数量为1160万尾。

Wild pink salmon, for example, are listed as a “recovered” species, evidenced by a 2007 run estimated at 11.6 million fish.

youdao

很难理解捕食减少是如何导致在特定年份的同一时间内，几个地方的棘冠海星数量突然增加。

It is difficult to understand how reduced predation would lead to sudden increases in Acanthaster numbers in several places at the same time in specific years.

youdao

During the sixteenth century, the peacetime armies of the Continental Powers were about 10,000 to 20,000 soldiers--very, very little.

6世纪时,欧洲大陆上的强国,和平时期的军队数量很少,大约一万到两万人

耶鲁公开课 - 欧洲文明课程节选

He introduced the concept of electronegativity which was a measure, therefore, it is quantitative, of the atom's ability to attract electrons within a covalent bond and developed a scale of electronegativity.

他引入了电负性这一概念,一个反映着原子在成共价键时吸引电子的能力的数据标度，因此这是数量上的，在共价电子中,电子原子能吸引电子,并发展为一定规模的电负性。

麻省理工公开课 - 固态化学导论课程节选

In other words, how much does the temperature of the whole thing change when you put an ordinary amount of material in there and run a reaction, right. Well, what do you do?

当你放入通常数量的材料,并进行反应时,整个装置的温度,改变有多少，你要做什么？

麻省理工公开课 - 热力学与动力学课程节选