valid zone 中文意思是什麼

valid zone 解釋
有效區
  • valid : adj 1 （理由、證據等）有確實根據的，確鑿的；正確的；健全的，站得住的。2 【法律】（契約、選舉等）...
  • zone : n 1 【地理】（地）帶。2 區域，范圍，界。3 〈古、詩〉（腰）帶。4 圈，環帶。5 【數學】（球面）帶；...
  1. The contents are using fault locating algorithm based on measurement impedance to determine a fault zone of transmission line, then use wavelet transform fault locating algorithm based on current traveling wave to fix the fault position. in order to ensure both results are valid, gps is used to synchronize their hardware. 2

    其主要內容是：利用所記錄的工頻故障信息和阻抗法粗略計算故障位置，再利用所記錄的暫態行波電流精確定位故障點，二者通過gps時間同步單元進行時間同步，從根本上解決輸電線路故障測距問題。
  2. Moreover, it extensive applied the interpret way of contrast of high low frequency sectioned to eliminate the false and retain the true in the project, avoiding drop valid signal result to irrelevant disposal way. maintain use new information, contrast old information, integrated explain to forecast favorable oil and gas concentration zone, to instruct development work of yushulin oilfield

    另外，課題中廣泛應用了高低頻剖面對比解釋方法，去偽存真，避免了處理手段不當造成的有效信號丟失，堅持客觀應用新資料、對比老資料，綜合解釋，預測有利的油氣富集區，以指導榆樹林油田的區塊優選和經濟有效開發。
  3. Valid time zones are normally named after the continent and largest city in the zone

    ）有效的時區通常按時區內的陸地和最大城市來命名。
  4. " the phase ii of hkcec will be designated as a secure zone from 10 pm on june 30 to around noon on july 1. only holders of valid passes can be allowed entry after security inspection through the designated access. vehicles entering the centre have to display their authorisation permits and follow the security procedures. the same arrangements will be implemented in other areas if and when necessary, " mr fok said

    霍萬軍說：香港會議展覽中心第二期將會在六月三十日晚上十時至七月一日約中午時份列?保安區，期間只許持有有效通行證人士經指定通道驗證，完成安檢程序才可進入會場。
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