基本释义:

永久性客体

网络释义

1)permanent object,永久性客体

2)object permanence,客体永久性

3)permanent population,永久性群体

4)permanent gas,永久性气体

5)permanent customers,永久顾客

6)immortalized F_2 population,永久性F_2群体

用法和例句

This paper discussed the specific permanent populations of cotton, with the emphases on haploid population and cytological population, and their application values used in genetic studies and their construction methods, mainly according to traits of perennial and semigamy.

本文依据棉花多年生和半配生殖的属性和特性 ,以 H群体和细胞学标记群体为重点 ,较全面地论述了棉花永久性群体的种类特色、应用价值和构建途径 ,结合我国棉花资源与海南气候特点 ,讨论了我国在棉花永久性群体方面的工作优势 ,并提出了建立国家棉花专用群体材料圃的建