“record of river variation”的概念、定义、翻译、参考文献-科学参考

单词	record of river variation
释义	record of river variation Encyclopedia 工学中国水利科学技术史释 record of river variation信水中国古代对河流随季节、气候推移转化，定时定点发生涨落等动态的统称。《宋史·河渠志》（1345年成书）概括为“水信有常，率以为准”。
随便看	feasible program feasible region feasible restriction feasible set feasible solution feasible vector feasibly solvability Feast Feast of Christ the King Feast of the Annunciation Feast of the Ascension Feast of the Assumption of Mary Feast of the Circumcision of Christ Feast of the Holy Family Feast of the Presentation of Jesus Christ Feast of the Presentation of Mary Feast of the Purification of the Blessed Virgin Mary Feast of the Transfiguration feather feather cock's comb feather cockscomb seed feather decoration media feathered space feather germ feathering

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。