In the second section, the equivalent circuit models of PIN diode are analysed , then, switch-line phase shifter is analysed theoretically and calculated.是什么意思_In the second section, the equivalent circuit models of PIN diode are analysed , then, switch-line phase shifter is analysed theoretically and calculated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句