“中国的无霜期”的概念、定义、翻译、参考文献-科学参考

单词	中国的无霜期
释义	中国的无霜期 Encyclopedia 理学中国的气温释 frostless period in China中国的无霜期一年内终霜日与初霜日之间的持续日数。一年中春季最后一次出现白霜的日期称终霜日，秋季第一次出现霜的日期为初霜日。无霜期长短不含初、终霜日，各年的无霜期差异很大，通常以其多年平均值表示。
随便看	operating platform operating room operating schedule of concentrators Operating shock wave withstand voltage test operating state of air inlet operating state of electrical drive operating surplus operating system operating system component operating system, OS operating technique of vehicle under special conditions operating temperature operating voltage operation operation accident rate operation administration and maintenance system operational operational amplifier operational amplifier, op-amp operational calculus Operational Capacity Ratio operational data operational data store operational data store, ODS operational definition

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。