The influence of limiting factors in a population of intercropped corn and soybean upon object characters such as yield was studied with quadratic regression rotational combinatorial design.
本文分析了利用二次回归旋转组合设计，研究玉米大豆间作群体各限制因素对产量等目标性状的影响。
It is also shown that the asymmetry of implosion has some influence upon the neutron yield as well as the implosion efficiency.
同时，内爆不对称性对中子产额和内爆效率有一定的影响。
This paper has studied the relation of the leaf dropping with orange yield and three kinds of orange disease's influence upon leaf dropping, leaf mineral nutrition and fruit-content composition.
本文研究了柑桔叶片脱落与产量的关系及三种柑桔病害对叶片脱落、叶片矿物质营养和果实内含物的影响。
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