“Yihe River flood in 223”的概念、定义、翻译、参考文献-科学参考

单词	Yihe River flood in 223
释义	Yihe River flood in 223 Encyclopedia 工学〔中国历史上重大的水旱灾害〕释 Yihe River flood in 223223年伊河大水中国发现最早一次有定量记载的历史大洪水。
随便看	sample pre-treatment technology sample pretreatment technology for pharmaceutical analysis sample process sample proof sample proportion sample quantile sample quartile sampler sample range sample raw moment sample regression coefficient sample representativeness sample residual dispersion sample rotation sampler; sampling head samples calculation sample site sample size Sample size estimation sample skewness sample space sample space ordering sample space ranking sample-specific nature sample, specimen

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。