“standard sand”的概念、定义、翻译、参考文献-科学参考

单词	standard sand
释义	standard sand [`stan·dǝrd `sand] ^MATERIALS A silica sand that is free of organic matter and is used in making test samples of concrete and cement.
随便看	stochastic chain rule stochastic control theory stochastic differential stochastic integral stochastic matrix stochastic process stochastic sequential machine stochastic variable stock stock accounting stockage objective stock control stock coordination stock-dye stocking cutter stock number stockpile stock rail stock record account stockwork Stoddard solvent Stodola method stoichiometry stoke stoker

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