作者: Robert Darby
DOI:
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摘要: The best results are produced by approaching the insect 13 with open end of inner tube 10 B apparatus pointing towards , from a distance which does not frighten into flying or crawling away, such that positive airflow indicated arrows A approach surface 12 on rests. In same movement is brought closer and to thus increasing air-pressure . pinned it has rested due A, then vacuumed B, vacuum effect negative B.