measured amount

基本解释

First, a measured amount of white solid is taken.
首先，加一点一定量的白色固体。
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Owing to the superiority of cleaning action, in any wash cycle it needn't use more, as with a suitable measured amount of the powder it will serve efficiently and economically.
本品由于其洗净力强，不必使用多量，恰当计量，可获经济收益。每次只须用一平小匙就可发挥特效洁力，将洗衣机内的衣物洗净。
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She named the other radium. She measured the amount of radioactivity, an atomic property, and felt that the radioactivity was proportional to the amount of the element.
她测量了这两个元素放射性的总量和原子性质，感觉到物质的放射性是同放射性元素的总量成比例的。

They cannot harm themselves because the amount of painkiller in the pump is carefully measured and limited.
It's measured by subsequent performance in the amount by which the winner wins equals the amount by which the loser loses, but it costs a lot to play the game.
之后的业绩表现可判输赢,而且赢方赚的钱,就等于输方赔的钱,但是交易本身会产生巨大的成本
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The researchers then measured the amount of light, or radiance, present in each unit of the grid.
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For the iPad test, Vairmohan measured the amount of power used to charge up an iPad with a drained battery.
MSN: That iPad costs you just $1.36 a year to charge