越冬幼虫以“小分子糖—氨基酸—糖蛋白”物质系统形成抗寒基质，增强耐寒性。
So there is a substance system including "low molecular weight sugars-amino acid-glycoprotein" which enhances cold hardiness for overwintering larvae.
水分含量及可溶性糖，淀粉季节性动态变化与植物的抗寒性发育及越冬适应性具有高度一致性。
The changes of water state, starch and soluble sugar contents were highly related to the overwintering ability of plant.
选取南京地区已引种成功的6种常绿阔叶树种，运用越冬适应性观察与电导法作为对比测试手段，分析这些树种的抗寒能力。
Wintering adaptability and electric conductivity were used to analyze the ability of 6 evergreen broad-leaved species to withstand the rigors of low temperature.
结果表明，这些牧草的越冬率均接近100%，抗寒性很强，适应性随栽培年限延长而提高。
The results showed that the over-wintering rate of these three forages were all about 100 percent, the resistance to cold were very well and adaptability increased with prolonging of cultivated time.
在新法饲养中蜂季节性管理中，必须采取培育适龄越冬蜂并适时幽王断于的技术措施。
Under new feeding method of Apis cerana cerana seasonal management, the skill of breeding right age overwintering bee flock and the cutting off offspring by imprisonment should be undertaken.
比较研究了当年采自田间的褐飞虱种群与上一年虫源在室内越冬繁殖种群对不同抗虫品种的致害性差异。
The virulence characteristics of brown planthopper, Nilaparvata lugens Stal, from paddy field population and greenhouse population collected in late rice field last year was compared.
比较研究了当年采自田间的褐飞虱种群与上一年虫源在室内越冬繁殖种群对不同抗虫品种的致害性差异。
The virulence characteristics of brown planthopper, Nilaparvata lugens Stal, from paddy field population and greenhouse population collected in late rice field last year was compared.
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