查询词典 direction

double delta connection：双得他接法;双三角形接法

内方分岔 double curve turnout in the same direction | 双得他接法;双三角形接法 double delta connection | 双重检波 double detection

double delta winding：双三角形绕组,六角形绕组

"double curve turnout in the same direction ","内方分岔" | "double delta winding ","双三角形绕组,六角形绕组" | "double detection ","双重检波"

directing plane：准平面

"顺游标","direct vernier" | "准平面","directing plane" | "方向","direction"

directing point：基准点

directed ray 定向射线 | directing point 基准点 | direction cosine 方向余弦

constant direction error：恒定方向误差

constant dimension || 常维数 | constant direction error || 恒定方向误差 | constant displacement motor || 定量马达

direction finding：测向

无线电测向(Direction Finding)是最早被应用于航空导航的技术,机载测向仪的核心是机身上那醒目的环形接收天线,无线电波(低频至中频)则由地面台发送. 以环行天线为例,假设无线电波是在垂直面偏振的,当无线电信号与环面成90度时,

radio direction finding：无线电定向

围棋 weiqi; go | 无线电定向 radio direction finding | 五禽戏 five-animal exercises

radio direction finding：无线电测向

"无线电控制;射电控制","radio control" | "无线电测向","radio direction-finding" | "辐射剂量计","radio dosimeter"

DF Direction Finding：测向.定向

DF Design formula 设计公式 | DF Direction Finding 测向.定向 | DF Defogging 去雾

DF Direction Finding：测向

*DE FROM 从 | *DF DIRECTION FINDING 测向 | *DR DEAR 亲爱的

air ventilator：通风管

air purifier 空气滤清剂 | air ventilator 通风管 | air-bleed 空气分泄器

sound motion picture, talkie：有声电影

silent cinema, silent films 无声电影 | sound motion picture, talkie 有声电影 | cinemascope, CinemaScope 西涅玛斯科普型立体声宽银幕电影,变 形镜头式宽银幕电影