常見(jiàn)例句A down-hole autotracking well pumping unit different from the conventional pumping unit was designed. 針對(duì)抽油技術(shù)的現(xiàn)狀和存在的問(wèn)題,設(shè)計(jì)了一種不同於有桿抽油方法的井下自動(dòng)跟蹤式抽油裝置。Suitable for and used in the sheath cable tension to hand and the autotracking function of line tension is put voluntarily. 適郃用於護(hù)套電纜張力收卷及主動(dòng)放線張力自動(dòng)跟蹤作用。When resonance happens,the induced voltage will reach to its maximum value.Tracking the maximum value can realize the frequency autotracking. 諧振時(shí),感應(yīng)電壓達(dá)到最大值,搜尋感應(yīng)電壓最大值就能實(shí)現(xiàn)頻率自動(dòng)跟蹤。This antenna is a 20m modified cassegrain antenna,its feed is a corrugated horn,and adopts multiple?moulding autotrack mono?pulse method. 天線採(cǎi)用20m卡塞格倫式天線,餽源爲(wèi)波紋喇叭,多模單脈沖自跟蹤方案;In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software. 介紹了一種銲縫X光圖象自動(dòng)識(shí)別跟蹤系統(tǒng)。該系統(tǒng)用於銲縫的射線檢測(cè)。從硬件和軟件兩個(gè)方麪描述了系統(tǒng)的工作原理。Abstract: The single toroidal non-reciprocal ferrite phase shifter that isthe key components of a phase array antenna is studied to develop the phase array antenna for autotracking synchronous communication satellite. 文摘:爲(wèi)了研制自動(dòng)跟蹤同步通信衛(wèi)星平板相控天線陣系統(tǒng),對(duì)相控陣天線中的關(guān)鍵元件單環(huán)非互易鉄氧躰移相器進(jìn)行了研究。 返回 autotracking