讨论了在静电场作用下，双势阱分子中波函数随外加静电场定域的动态过程，以及能级裂距与外加静电场的关系。
In this paper we investigate the dynamic process of the localized wave function in double_well molecules using dc electric field and the relation between energy splitting and dc electric field.
在预裂爆破试验中，采用双因素试验方法，减少了试验的工作量。
During blasting test of rock split in advance using Double Factors test method, the work is reduced and predigested.
聚丙烯纤维和轻烧氧化镁双掺技术的应用，在面板混凝土的防裂中发挥了明显的作用。
The application of the technology of adding both polyacrylic fiber and lightly sintered magnesia in concrete played a remarkable role in crack control of concrete facing slabs.
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