rough pump 中文意思是什麼

rough pump 解釋
初步抽氣泵
  • rough : adj 1 粗糙的 （opp smooth）; 凹凸的，崎嶇不平的 （opp level）。2 粗毛的，多毛的，蓬亂的（頭發）。...
  • pump : PUMP ＝politically upwardly mobile personality 政治新星，政治上有望晉升人士。n （淺口無帶的）輕舞...
  1. A post, and there a garden - fence, and here a latticed windowpane, and there a pump, with its full trough of water, and here, again, an arched door of oak, with an iron knocker, and a rough log for the

    那閃光投在周圍，可以辨出這里有一根立枝，那裡有一段園籬這兒有一扇格窗玻璃，那兒有一個卿筒和滿槽的水近處還有一座拱形橡木大門，上面有鐵制扣環，下面是一段粗木充當臺階。
  2. Although the technology of vibration diagnosis has acquired some achievement, on the occasion of having several faults, the method has some trouble that cannot be solved. to solve this problem, some methods i. e. rough - set theory and genetic algorithm have to be used to identify specific fault and decide which pump valve has fault

    這種振動診斷技術雖然取得了一定的成果，但是在多個泵閥同時發生故障的場合，這種方法遇到了無法解決的難題，使之不得不求助於粗集理論、遺傳演算法等數據處理方法來分辯故障類型和判斷故障具體發生在哪一個泵閥上。
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