... labor efficiency variance 人工效率差异 labor hour method 人工小时法 labor intensive 劳动力密集 ...
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direct labor hour method 直接人工小时法
·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective to compare the effectiveness of the labor-hour method and the light trap method to mosquitoes, providing the basis for development of scientific and standard mosquito monitoring.
目的比较人工小时法和灯诱法的诱蚊效果，为科学规范开展蚊虫监测提供理论依据。
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