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贮粮害虫防治的方法主要有清洁卫生、机械防治、物理防治、化学防治以及生物防治等,而在广义的生物防治方面近年来有很多新的发展,兹就下列二个问题,综述国外进展情况,供参考,并请指正。
There are many new developments in the field of biological control in a broad sense. We hereby give two general comments on the progress of foreign countries For reference, please correct me.