... dielectric constant 介电常数介电常数符号 dielectric crystal 介质晶体 dielectric current 介质电流 ...
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现有的激光器使用的介质有，掺杂有稀土元素的晶体、特定比例的气体，甚至是某些特定半导体。
Existing lasers use media ranging from crystals doped with rare-earth elements to specific mixtures of gas and even certain sorts of semiconductors.
现在研究者正在努力优化器件结构、石墨烯性质和栅极电介质以提高晶体管性能。
The team is now busy working on improving the performance of the transistors by optimizing device structure, graphene quality and the gate dielectric.
文中进行了液相介质中石英晶体粘度传感器及其频率特性的研究。
In this article, we research quartz crystal viscosity sensor and its frequency characteristic in liquid medium.
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