“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	liquid He I [liquid] He II liquid He II liquid helium liquid helium-3 liquid helium-4 liquid helium storage vessel liquid helium temperature [liquid] He Ⅰ liquid He Ⅰ liquid HeⅠ liquid He Ⅰ and He Ⅱ [liquid] He Ⅱ liquid He Ⅱ liquid holdup liquid hydrogen liquid-hydrogen target liquid hydrogen temperature liquid hydrogen transport liquid immersion liquid immiscibility liquid-in-glass thermometer liquid injection cooling liquid insulating material liquidity

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。