narrow examination 中文意思是什麼
narrow examination
解釋
嚴格的檢查- narrow : adj 1 狹 窄 狹隘的 狹小的 （opp broad wide）。2 有限的 受限制的；有偏見的 氣量小的 心眼兒窄的；眼...
- examination : n. 1. 考試 （in）. 2. （問題等的）檢討，考察；檢查；審查，調查；檢定，檢驗；觀察。3. 審問。4. 檢察；診察。adj. -al
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Second, as currently study of hot point, back ? emf, it will discuss the principle of the sub - position examination in detail. based on the principle, it put forward a kind of improving back - emf method of crossing - zero checking turns position. but this did n ' t resolve to the root problem that the speed scope is very narrow and it need an in expiation of speed error and so on. thus it put forward a new improvement method at next chapter
其次，就目前所研究的熱點? ?反電勢法，詳細討論了其轉子位置檢測的原理，在此基礎上提出了一種改進的反電勢過零點檢測方法，其可直接從電機端部得出反電勢對地的電壓值，而不是通過電機中心點電壓來得到反電勢。 -
A new type of metal welding gas cooperatively developed by wuhan university chemical industry research acaddemy and aviation technology research office of wuhan shidai of science has achieved the substantial examination of state patent bureau, which is a favorable opening for the hard development of more than 2000 acetylene production plants and meanwhile has solved a series of problems that the new patterend welding gas of the same kind can cut while cannot weld the fuel gas and has slow startup, large oxygen consumption, narrow scope in choosing materiels and difficulty in filling the modifier with pressure, etc
武漢大學化工研究所和武漢時代科學院航空技術研究所聯合研製的一種新型金屬焊割氣已獲國家專利局實質性審查，這對我國2000多家乙炔生產廠家的艱苦該是一個良好的開端，同時也解決了同類新型焊割氣能割不能焊燃氣起步慢，耗氧量大，選用母材窄，改性劑不易帶壓灌裝系列問題。
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