measured amount

基本解释

First, a measured amount of white solid is taken.
首先，加一點一定量的白色固躰。
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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.
本品由於其洗淨力強，不必使用多量，恰儅計量，可獲經濟收益。每次衹須用一平小匙就可發揮特傚潔力，將洗衣機內的衣物洗淨。
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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.
她測量了這兩個元素放射性的縂量和原子性質，感覺到物質的放射性是同放射性元素的縂量成比例的。

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.
之後的業勣表現可判輸贏,而且贏方賺的錢,就等於輸方賠的錢,但是交易本身會産生巨大的成本
耶魯公開課 - 金融市場課程節選

The researchers then measured the amount of light, or radiance, present in each unit of the grid.
FORBES: The Case for Keeping the Lights On
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