The preys spectrum had certain selectivity,appulsive on the Lepidoptera especially the large-scale larva, appulsive on differentstand also.
对于不同类型的林分也有不同的,对灌木、小乔木等的害虫防治效果显著,而对于比较高大树木上的害虫防治效果较差。
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These large improvements in efficiency, selectivity and production rates are very important because they will ensure that electrochemical reactions are competitive with fossil-fuel-powered ones which are already highly optimized.
这些效率、择性和生产率的 巨大提升非常重要,因为它们保证了因为它们保证了电化学反应能够和 已高度优化的化石燃料动力反应竞争。不过啊,尼龙只是成千上万的化学 所组成的汪洋大海中的一滴水。
While one system may conclude peer assessment retention rate, faculty resources, student selectivity, and financial resources, another system may lay its emphasis on the number of famous alumni, the student evaluation of professors and the evaluation of college students.
一种测量系统仅仅包含了评估、经济实力、师资力量、学生成绩、保留率方面的考虑,其他测量系统或许会更加重视著名校友的数量,老师对学生的评估,以及学生的评估。