“freeze-free period”的概念、定义、翻译、参考文献-科学参考

单词	freeze-free period
释义	freeze-free period 不冻期
随便看	block sorting block splitting block square block standby block stone block storage block stowage block stream block structure block-structured code block structured programming language block structure mechanism block sugar block supply block swage block switch block switching block-switch technology blocks world-scene analysis block system block system relay block technique block terminal block terminal statement block testing stand

科学参考收录了1248194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。