| 释义 |
free-space 英f'riːsp'eɪs美f'riːsp'eɪs COCA²²⁴⁰³⁷BNC¹⁷³⁹⁹⁵⁺²
基本例句
自由空间¹⁰⁰
Free-space laser communication is becoming attractive as a new wireless access technology in recent years because it combines advantages of fiber optical communication and microwave communication.
激光大气通信系统由于结合了光纤通信和微波通信的优势，近年来作为一种新型宽带无线接入方式越来越受到重视。 dictall |