filamentary cathode的用法和樣例：
例句
- The principles discussed in this report are applicable to all filamentary cathode structures.
而本文所討論的原理可以應用到各種類(lèi)型的燈絲結構。 - The cathode at the left is raised to a high temperature by the heater, and electrons evaporate from its surface.
左邊的陰極被燈絲加熱到高溫，同時(shí)電子從陰極表面蒸發(fā)出來(lái)。
