Warning: file_put_contents(): Only 0 of 5093 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5678977.com/index.php on line 55 overlay tree structure是什么意思，overlay tree structure的翻译，overlay tree structure音标、读音、用法和例句_加林查网西语词典
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。