“elliptic-type weight for hydrometry”的概念、定义、翻译、参考文献-科学参考

单词	elliptic-type weight for hydrometry
释义	elliptic-type weight for hydrometry Encyclopedia 工学水文测验铅鱼释 elliptic-type weight for hydrometry水文测验铅鱼用于在江河水体中稳定水下测量仪器、减少偏角的铅制水文器具，因其外形与鱼形相似而得名。
随便看	constant prime constant probability constant problem constant progression constant propagation constant quantity constant random variable constant rank constant-rank mapping constant-rank morphism constant-ratio head constant region constant release constant sale books constant sheaf constant species constant specific mass flow pattern constant speed constant frequency constant speed drive unit constant-speed mercury intrusion constant speed motor/generator constant stratum constant stress test constant sum game constant-sum game

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