“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	missile automatic pilot missile-bone control system missile control system missile damage ability missile defense system missile-defense system missile detent assembly Missile electric power system missile electromagnetic compatibility test Missile energy sources missile flight attitude control missile flight test missile flight trajectory control missile fuse missile general design missile ground support equipment missile hooking vehicle missile injuries missile launch control box missile launcher missile launching test missile launching vehicle missile life test missile maneuverability missile mass at lift-off

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。