对五种不同燃烧室体积的脉冲发动机在小、中和大油门开度三种供油条件下测定其排放物。
The exhaust gas ingredients of pulse engines, with five different combustion chamber volumes, throttle valve at small, middle and wide opening positions respectively, are tested.
代谢组学主要是对机体产生或存在小分子化学代谢物进行研究。
The metabolome is the complete complement of all small molecule chemicals (metabolites) found in or produced by an organism.
货币是用作交易媒介、储藏价值和记帐单位的一种工具，是专门在物资与服务交换中充当等价物的特殊商品。接下来小编为大家整理了货币的作用是什么，希望对你有帮助哦！ 鹪。
We look at the functions of money. Firstly it's a medium of exchange, so it's some commodity which facilitates the exchange of goods and services.
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