结果表明，这种是电路设计可以较好地解决PD引信防早炸问题。
It is proved that the circuit design can perfectly resolve the early explosion of PD fuze.
扁秆藨草的发生分布与耕作栽培制度关系密切，实生苗萌发迟而集中，再生苗萌发早而分散，是防除的主要对象。
The emergence of its seedling is later and concentrated than its regrowths which are the main object to control.
其实，教会一个人“防艾”知识所花的成本能够获得数百倍的回报，向中学生谈“防艾”也不嫌早。
In fact, the Church of a person "AIDS" Knowledge spent several hundred times the cost of access to be able to return to secondary school students to talk about "AIDS" is not too early.
结果表明，早播覆膜防病增产效果最好，防效达827％，产量成倍增加。
Results indicated that the best control effect and yield increase were obtained from the cultivation of early sowing with plastic film mulching.
结果表明，早播覆膜防病增产效果最好，防效达827％，产量成倍增加。
Results indicated that the best control effect and yield increase were obtained from the cultivation of early sowing with plastic film mulching.
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