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

最后利用外积的性质构造了一个3 维的loop ,此可计出许多新的等谱问题，作为应用，本文得到了一个类似的多分量的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的可计性和减重作用,近年来不对称铺层复合材料受到了越来越多的关注。

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缆线束的欧电阻和绝缘性能,而且可给电缆的计、生产和检测提供一个一体化的管理手段。