“预试期”的概念、定义、翻译、参考文献-科学参考

单词	预试期
释义	预试期 preliminary trial period
随便看	Raysistor ray stopper ray structure ray surface ray system Raytheon tube ray theoretical method ray theory ray trace ray tracheide ray tracing ray tracing apparatus ray tracing calculation raytracing devic ray tracing formulas ray trajectory ray transformer ray tube ray vector ray velocity ray velocity surface ray-vessel ray-vessel pitting Razin effect razinodil (冠脉扩张药)

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。