2) Generation means
世代平均数
1.
From 2004 to 2006,two F1 maize hybrids,F2s,backcrosses B1s and B2s and their parents were used to estimate the generation means for diameter of the ear axis,and the rows per ear and grains per ear.
2004~2006年利用两个玉米单交组合的P1、P2、P3、P4、F1、F2、B1-1、B1-2和B1-2、B1-210个世代群体的数据进行了世代平均数分析。
3) Genetic Analysis of Generations Means
世代平均数分析
4) modern algebra
近世代数
1.
Reform and practice on the teaching content of the course of modern algebra;
近世代数课程教学内容的改革与实践
2.
The author,based on his experience pts forward some ideas of how to stimulate the students non-intelligence factor and improve their interest in the study of modern algebra.
近世代数学系重要基础课之一,是一门比较抽象的学科。
3.
By research in characteristics of modern algebra course and college student,putting forward techniques of teaching and methods on motivating the students\' thought,so as to enhance the students\' ability.
研究近世代数课程特点和大学生思维的特点,提出近世代数课堂开拓思维的方法,阐述课堂教学技巧,培养锻炼学生思维使其思维能力得到提高,教学实践表明提出的方法和技巧实用有效。
5) generations
[英][,dʒenə'reiʃən] [美][,dʒɛnə'reʃən]
世代数
1.
Japanese quails from Normal,Brown breeds and crossing group were used in this eight generations(6-20 week-old) selection experiment.
结果表明:随着世代数的增加选育组和对照组的适应力均有显著升高(P<0。
2.
On the other side,laying rate among generations had an increasing trend,the average cumulative laying rate of selected group was higher than non-selected group(P<0.
结果表明:随着世代数的增加选育组和对照组的适应力均有显著上升(P<0。
补充资料：均数
均数
当所处理资料的观察值大小分布比较对称时，可计算均数。均数常以X表示。在观察值个数不多时，可以用直接计算法计算均数，即将各观察值相加，除以观察个数即得。当观察值个数较多时可先按统计学方法编出频数表，再计算均数。
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