direction and angle of incidence：投射的方向和角度

direct skylighting 天窗直接采光 | direction and angle of incidence 投射的方向和角度 | wood or plywood paneling 木板或夾板

field direction：磁場方向

field current 勵(lì)磁電流 | field direction 磁場方向 | field distortion 場失真

field direction：磁場向

field current 勵(lì)磁電流 | field direction 磁場向 | field distortion 場失真

sector field direction focusing：扇形場方向聚焦

sector disc 扇形盤 | sector field direction focusing 扇形場方向聚焦 | sector instrument 扇形場儀器

Field Teams:Composition,Direction, and Communication with the Trauma Center：現(xiàn)場救護(hù)隊(duì):組成,指導(dǎo),與創(chuàng)傷中心的聯(lián)系

8 Prehospital Therapy 送醫(yī)院前... | 9 Field Teams:Composition,Direction, and Communication with the Trauma Center 現(xiàn)場救護(hù)隊(duì):組成,指導(dǎo),與創(chuàng)傷中心的聯(lián)系 | 10 Air Medical and Interhospital Transport 空中醫(yī)...

direction finder：探向器,方位儀

directional counter 定向計(jì)數(shù)器 | direction finder 探向器,方位儀 | direct laryngeal forceps 直接喉鉗

automatic direction finder：自動(dòng)定向儀

airspeed indicator 空速表 | automatic direction finder 自動(dòng)定向儀 | turn and bank indicator 轉(zhuǎn)彎側(cè)滑儀

automatic direction finder：全自動(dòng)無線電羅盤

automatic digital network 自動(dòng)化數(shù)字網(wǎng)絡(luò) | automatic direction finder 全自動(dòng)無線電羅盤 | automatic document analysis 自動(dòng)文獻(xiàn)分析

radio direction finder：無線電測(cè)向儀

radio digital transmitter 無線電數(shù)傳機(jī) | radio direction finder 無線電測(cè)向儀 | radio distance measuring set 無線電測(cè)距儀

radio direction finder：無線電測(cè)向器

RADIO 無線電 | RADIO DIRECTION FINDER 無線電測(cè)向器 | RADIO ROOM 無線電室