The remained concentration of Tin cations in water, the adsorption rate of Tin cations and the adsorbed amount by a unit of specimen weight are separately detected.
得到了相应条件下的锡离子残留量、吸附锡离子百分数、单位试样吸附锡的重量。
The high metabolic rate of small animals, for example, gives them sustained power and activity per unit of weight, but at the cost of requiring constant consumption of food and water.
例如，小动物较高的新陈代谢率，以其体重的每单位计算均能赋予动物以持续不断的能量和活动能力，但其代价是，要求它们不间断地消耗水和食物。
When we measure the weight of a large cup of water, we can use all of the following except centimeter as the unit.
我们测量一大杯水的重量时，我们可以使用除了厘米以外的以下所有单位。
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