The results showed that on july 9 , the charge of ground electric field mainly in positive charge at the time of hailstone weather , and the lightning discharge track of ground electric field had the characteristics of discreteness , concentricity and linearity .
Research on the universal electro-hydraulic control platform based on discreteness technology .
基于组件技术的通用电液控制平台的研究。
Stabilityand discreteness of specific resistance and specific resistanceps changing rules under multiaxial st resses and so on , should be further resolved so as to promote their applications to practical engineering .
Based on the discreteness of electric charge , the influences of an external magnetic filed on the persistent current of the mesoscopic coupling metallic rings are investigated .
在考虑电荷是量子化的基础上,研究了外加磁场对介观耦合金属环中持续电流的影响.
To make a portable environmental monitoring system with high-accuracythrough the method of design of experiment and discreteness error .