reference n. 1.(對(duì)委員、審查人等的)委托;委托項(xiàng)目[范圍]。 2.說(shuō)到,論到,提到。 3.參考;參考書;附注,引證;基準(zhǔn),依據(jù);關(guān)系。 4.(關(guān)于人品、能力等的)查詢,咨詢,詢商;可供查問(wèn)的人;證明人,介紹人;(身份、能力等的)證明書,介紹書,服務(wù)經(jīng)歷,鑒定書。 5.參看符號(hào)〔如 asterisk[*e], obelisk ?, section§, parallel‖, paragraph π等〕 (=reference marks)。 the commission's terms of reference 委員會(huì)的職權(quán)。 R- was made to me. 提到了我;所指的是我。 You make no reference to your plan in your letter. 你信里沒(méi)有提到你的計(jì)劃。 a book of reference=a reference book 參考書。 Who are your references 你的證明人都是誰(shuí)? bear reference to =have reference to. give a reference to 提到,介紹。 have reference to 和…有關(guān)系。 in reference to 關(guān)于。 load one's pages with references (在著作中)引用大量參考資料[文獻(xiàn)]。 make reference to 說(shuō)到,涉及,提到;參考;查問(wèn);介紹。 with reference to 關(guān)于。 without reference to 不管,不論(without reference to age or sex 無(wú)論男女老少)。 vt. 加注,附加注腳;給(書等)列出參考書目[注明資料來(lái)源]。
with reference to 關(guān)于..; 關(guān)于,根據(jù); 關(guān)于,有關(guān); 關(guān)于;有關(guān)
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Zhengzhou : henan education press , 1993 - 1998 , in 40 volumes , provides a unique reference source for researchers engaged in the history of traditional science and technology in china . another of the institute s projects , a history of science and technology in china 未來(lái)數(shù)年內(nèi),研究所將加強(qiáng)國(guó)際學(xué)術(shù)交流與合作,加大對(duì)科技史研究后備人才的培養(yǎng)力度,歡迎您報(bào)考我所,與我們一道共同創(chuàng)造科技史研究領(lǐng)域的繁榮。
The fundamental unit of the high - reliability frequency source is low phase noise reference source , and the sources with optimum frequency stability of reference sources are high reliable crystal oscillator and atomic clock . even the atomic clock itself needs high reliable crystal oscillator 而高穩(wěn)定的頻率源又是以低相噪?yún)⒖荚礊榛A(chǔ)的,在各種參考源中頻率穩(wěn)定度最好的是高穩(wěn)定晶體振蕩器和原子鐘,而原子鐘本身也要用到高穩(wěn)定晶體振蕩器。
According to the control requirement , a dual - cpu - dual - ram - based control system completes the calculation , outputs synchronization of multi - signal reference source , the serial communication , the adjustment of dc bus and the intelligent gradation . dual ram can improve the reliability and real - time response speed 針對(duì)系統(tǒng)任務(wù)控制特點(diǎn),構(gòu)建了雙cpu雙口ram系統(tǒng),實(shí)現(xiàn)多路精密參考信號(hào)的計(jì)算、同步輸出及串行通信、直流母線調(diào)節(jié)和智能分檔的多任務(wù)控制。
At the same time , the technology of frequency synthesis is developing rapidly and it requires much better performance on its reference source - crystal oscillator . so , it is significant for practical applications and development of theory to make researches on crystal oscillator ' s phase noise and phase jitter , and improve its performance fundamentally 同時(shí)隨著頻率合成技術(shù)的迅猛發(fā)展,對(duì)晶體振蕩器參考源的要求也越來(lái)越高,研究頻率源信號(hào)的相位抖動(dòng)和相位噪聲,從根本上改善頻率源的性能,對(duì)于這一學(xué)科的理論發(fā)展和實(shí)際應(yīng)用都具有重要的意義。