As its application, a multi-component system similar to the BPT hierarchy is obtained.

最外积性质构造了一个3 维loop代数 ,由此可计出许多新等谱问题，作为应，本文得到了一个类似多分量Boite-Pempinelli-Tu(BPT)族。

Owing to the advantages of designability and weight reduction,the unsymmetric composite has got more and more concerns in recent years.

为了充分发挥复合材料可计性和减重作,近年来不对称铺层复合材料受到了越来越多关注。

The tester not onlytestes the milliohm and megohm resistor of cable,but also pro-vides a solution to the cable design , manufacture and test.

该测试仪不仅可以测量电线束毫欧级电阻和绝缘性能,而且可给电计、生产和检测提供一个一体化管理手段。