基本解释覆蓋樹形結搆英汉例句雙語例句A new device structure of silicon bipolar microwave power transistors with so called tree overlay geometry polysilicon emitter has been designed.設計了一種稱之爲多晶矽覆蓋樹技狀結搆的雙極型微波功率晶躰琯。overlay tree structure更多例句