“反向选择”的概念、定义、翻译、参考文献-科学参考

单词	反向选择
释义	反向选择 Encyclopedia 理学上位分析释 counter selection反向选择将反向选择标记基因导入受体细胞，在一定的筛选条件下，带有反向选择标记基因的细胞株不能生长，而不带有反向选择标记基因的细胞株则能够生长，从而对目的基因的转化子进行无选择标记的筛选。
随便看	policy competition policy conflicts and elimination policy cost policy design policy design research policy diffusion policy effect evaluation method policy entrepreneur policy evaluation policy evaluation object policy evaluator policy experiment and policy promotion policy for the construction of important agricultural production bases policy for transformation of resource-based cities policy holder policyholder policy impact evaluation policy implementation policy implementation movement policy improvement policy-improvement iteration policy innovation policy iteration policy-iteration method policy learning

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。