Effective demand will not change in exact proportion to the quantity of money.
有效需求和货币数量不作同比例地变动。
The quantity is best, in order to reach the qualitative change.
最好量的积累，以达到质变。
The result showed that the activity was different to the change of quantity of nitrogen.
研究结果，硝酸还原酶活性随氮素用量不同而发生变化。
The result showed that the activity was different to the change of quantity of nitrogen.
研究结果，硝酸还原酶活性随氮素用量不同而发生变化。
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