Further research is needed to more accurately assess the potential beneficial and harmful effects of misoprostol and to determine the smallest dose that is effective and safe.
为更准确地评估米索前列醇可能存在的有利和有害作用和最小有效安全剂量，需要开展进一步的研究。
If deltamethrin be used with prescript dose in paddyfield, it will have no harmful effect on fish breeding in paddy field and nearby fish pond, but will be more harmful to shrimp.
在稻田中按规定的剂量使用溴氰菊酯农药治虫，对稻田养鱼和邻近鱼塘无危害影响；对虾类有较大的危害性。
But research has shown that vitamin supplements do not provide nearly as much protection as other measures, like frequently washing your hands - and that high dose can even be harmful.
但是，研究已经表明，维生素片几乎不能提供预防功效，不如勤洗手有效。过多服用维生素片反而对人体有害。
But research has shown that vitamin supplements do not provide nearly as much protection as other measures, like frequently washing your hands - and that high dose can even be harmful.
但是，研究已经表明，维生素片几乎不能提供预防功效，不如勤洗手有效。过多服用维生素片反而对人体有害。
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