大电流密度HCD ？
导电性物质的修饰以提高其在大电流密度下的比容量。
Modification with conductive materials to increase specific capacity at high current density.
为满足大电流密度电子发射的需要，对锑铯光电阴极的制备工艺进行了研究。
To meet the needs of high electron current density photocathodes, the processes for preparing cesium antimonide have been studied.
汞弧光放电是一种低气压气体放电现象，放电电流密度大。
The discharge of mercury arc is electric discharge phenomena of low pressure gas and the current density is great.
汽车启动机电刷具有短时工作制、电流密度大及接触压降小的特点。
Describing the specialities of the starting motor brushes are of short-time duty system, big current density and the contact voltage drop must be as small as possible.
以场致发射理论为基础的真空微电子器件，因其具有功耗低、电流密度大、频率高等诸多优点而倍受人们关注。
Vacuum micro-electronics devices, which are based on field emission theory, are more and more widely applied, because of their low power consumption, high current density and high frequency.
以场致发射理论为基础的真空微电子器件，因其具有功耗低、电流密度大、频率高等诸多优点而倍受人们关注。
Vacuum micro-electronics devices, which are based on field emission theory, are more and more widely applied, because of their low power consumption, high current density and high frequency.
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