secondary grain

The grain number per panicle was mainly determined by secondary branch grains.

产量与每穗粒数关系最密切，而每穗粒数主要由二次枝梗粒数决定，其次是着粒密度和一次枝梗粒数。

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Owing to two sections of filling phenomena in the secondary branches, it may lead to a higher sterile grain rate. if some unfavorable factors happen.

由于二次枝梗籽粒有两段灌浆现象，如遇不利因素，可导致空秕率增多。

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There were significant differences in soil grain structure, pH, organic matter and total nitrogen between shrub-grassland and virgin forest, but no significant differences between secondary forest and virgin forest were detected.

土壤颗粒度、pH值、有机质和全氮含量在灌草丛和原生林之间存在显著差异，但所有土壤理化指标在次生林和原生林之间无显著差异。

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The results show that secondary normalizing can remove the wustite structure and make grain refining.

通过对几种细化晶粒方法的比较,提出采用二次正火可细化晶粒并消除魏氏组织.

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The results show that the secondary phases mainly segregate along the grain boundary;

结果表明：Cu-Te合金中的第二相主要分布在晶界上；

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