美国养蜂人报告说他们的麻蜂数量下降了70%。

US Beekeepers report a decrease of 70% of their hives .

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蜂群衰竭失调对美国的养蜂业影响严重，使50 - 90%的蜂巢巢尽蜂亡。

CCD has hit the United States hard, wiping out between 50 and 90% of beekeepers' hives.

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人工养蜂条件下的坐果率明显高于无蜂自然授粉的坐果率，昆虫传粉可达到人工混合花粉授粉的效果。

The set percentage follow bees pollination were higher than that follow no bees pollination, insect pollination could reach to the effect of hand-cross-mix-pollination.

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