I will like to know the definite quantity of your annual turnover.
我想知道你们年交易额的具体数字。
The principle of this method is as follows:after a definite quantity of catalase is added to the above mentioned reaction system, in which oxygen will be released.
其原理是在过氧化氢酶分解反应体系中的过氧化氢放出氧气时，用氧电极检测氧张力的变化量。
With directional solidification liquid quenching and definite quantity analysis of metallographic, this paper studied the micro solidification characteristic of ZA28.4 alloy.
通过定向凝固液淬试验和金相定量分析，研究了二元ZA2 8.4合金的微观凝固特性。
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