炮检方位 azimuth receiver: 方位角受信仪azimuth coarse receiver: 概略方位角受信仪azimuth fine receiver: 精确方位角受信仪moving source-receiver method: 移动电源source-receiver product: 源检积; 震源数与接收器数的乘积下载手机词典可随时随地查词查翻译