非导体的

The existence of potential 〓、Ω is proved in linear functional space theories.

用线性函数空间理论证明了位函数〓、Ω的存在性；指出了现有文献在退化矢量位〓的唯一性证明中所存在的问题，并重新给予了证明；证明了位函数〓、Ω在导体与导体、导体与非导体界面上自然满足分界面条件；针对汽轮发机端部的轴对称涡流场，讨论了位函数〓、Ω的泛函及有限元代数方程组的形成。

2 If the cord hole is in wood, porcelain, phenolic composition, or other acceptable nonconducting material, a smooth, well–rounded surface is considered to be equivalent to a bushing.

11.4.2 如果线孔是在木板、陶瓷、树脂成份或其他可接受的非导体材料上，并具有光滑表面则认为等同护线套功能。

A material that insulates, especially a nonconductor of sound, heat, or electricity.

绝缘体绝缘材料，特别是声、热、电的非导体

Using laser induced chemical deposition methods,a local micro - region quick chemical deposition of copper on a nonconductor epoxy resin substrate has been realized.

用激光诱导化学沉积方法在非导体环氧树脂基体上实现微区局部、快速化学沉铜，并用卢瑟福背散射和扫描电镜方法对镀层的形貌、性质进行了观测和分析。

A flow of electricity in a dielectric, especially in a rarefied gas .

电流在非导体中的电流，尤其是稀薄气体中的电流

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。