1) component of forces F2
F2分力
2) F_2 molecule
F2分子
3) F_2
F2
1.
This paper reviewed the heterosis performance of cotton,the research and application of insect-resistant hybrid cotton of F_1 and F_2 generation,and it also analyzed its application prospect and the existing problem in its application.
综述了棉花杂种优势的表现及抗虫杂交棉F1,F2代杂种优势的研究及应用,并对抗虫杂交棉的应用前景及存了问题进行了论述。
2.
The effects of four cultivation factors(planting density,N,K and DPS application) on fiber quality of F_1 and F_2 generation of transgenic hybrid cotton were studied by means of quaternary quadratic regression rotational combination design.
采用四元二次回归旋转组合设计,对影响转基因杂交棉F1、F2纤维品质的密度、施氮量、施钾量和缩节胺施用量进行了综合研究,结果表明,缩节胺与密度是影响F1纤维品质指标的关键因子,而密度是影响F2纤维品质指标的关键因子。
4) F-2 population
F2分离群体
5) genetic analysis of F2 generation
F2代遗传分析
6) SCAMP-F 2
SCAMP-F2
补充资料：分力
几个力同时对某物体的作用和另外一个力对该物体的作用效果相同，这几个力就是那一个力的分力。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条