超声测压过程中信号受到噪声的干扰, 使得回波信号质量较差.In ultrasonic pressure measuring outside pipe, echo signal is disturbed by noise.因而对装甲目的的毫米波回波特性的研讨拥有十分主要的意思.So the target echo of armor of millimeter wave is very important.安装在高速运动载体上的雷达高度表,...
Transfer to heliport for check in.办理登记手续,转乘直升机.Consultants in heliport development and helicopter operations. Specializes in planning, design and development of and helipads.为直升机机场及其营运提供顾问服务, 擅长直升机机场的规划 、 设计与开发....
Cost of a single AC - 130 U Gunship : $ 190 million.一架AC-130U型重型攻击机耗资1亿9千万美元.This effectively gave it a strike capability similar to that of an Apache helicopter gunship.这使得它有媲美阿帕奇武装直升机的打击能力....
skipper’s armband队长袖标Each mourner wore a black armband and a white paper chrysanthemum.每个吊唁的人都佩带着黑纱和一朵白纸菊花.Each mourner wore black armband and a white paper chrysanthemum.人都佩带着黑纱和一朵白纸菊花.The tour leader will wear a red ar...