construction_principle_theory

1.The local equivalence principle and its action on construction of the renormalizable Lagrangian of the quadratic curvature theory of gravity is discussed by using the normal coordinates.
利用法坐标对局部等效原理、以及局部等效原理在构造曲率平方可重整拉氏量中的作用进行了论证。
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2.Construction, characteristics and work theory of new model nonwovens carding machine are introduced in the paper. Electrical work principle and application effect is analyzed in detail.
介绍了新型非织造布梳理机的结构性能组成及工作原理，并详细分析了电气工作原理及应用效果。
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3.Combined with the construction practice and theory study, the paper introduced t beam quality technology, attentions, methods, principle and experience of vibration.
通过施工实践，结合理论学习，就保证T梁质量的关键工艺振捣进行了介绍，并就振捣注意事项、方法、原则和经验进行了阐述。
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