“long-term trial”的概念、定义、翻译、参考文献-科学参考

单词	long-term trial
释义	long-term trial Encyclopedia 农学长期定位试验释 long-term trial长期定位试验在同一试验点，按照相对稳定的试验方案，长期持续进行的试验。
随便看	cycle double cover cycle double cover conjecture cycle efficiency of heat engine cycle graph cycle group cycle homologous to zero cycle index cycle invariant cycle lemma cycle length cycle life cycle mapping cycle matrix cycle matroid cycle of a chain complex cycle of a complex cycle of a diffeomorphism cycle of a manifold cycle of a matroid cycle of index zero cycle of length n cycle of numbers cycle of seminiferous epithelium cycle of soil water in field cycle of the first kind

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。