论文部分内容阅读
美国农业运销局利用放大的声波防治贮粮害虫,发现正在产卵的印度谷螟在装有两部无线电扬声器的小室内放四天之后,所产的卵少孵化出四分之三,孵化后的第一天死
NASA used amplified acoustic waves to combat stored grain pests and found that the Indian rice stem borer, spawning, was incubated for three-quarters less after four days in a cell equipped with two radio speakers. After hatching The first day of death