hub mechanism 中文意思是什麼

hub mechanism 解釋
調螺距機構, 槳轂機構
  • hub : n. 1. 【機械工程】（輪）轂，旋翼葉轂。2. 中心，中樞。3. （電器面板上的）電線插孔。4. 【機械工程】襯套；套殼；中軸殼。n. 〈口語〉丈夫〈husband 的縮寫〉。
  • mechanism : n 1 （機械）結構；機械裝置[作用]；（故事的）結構。2 【哲學】機械論 （opp vitalism）。 3 【文藝】...
  1. The effect of leakage flow due to the upstream hub axial gap on the rotor performance and the mechanism of interaction between the hub leakage flow and the rotor blade passage flow were studied based on the numerical simulations of the flow fields of a transonic compressor rotor with upstream hub leakage

    摘要為研究壓氣機轉子上游葉根軸向間隙泄漏流對轉子性能的影響程度以及泄漏流與轉子流場之間的相互作用機制，對帶有葉根泄漏流的跨聲壓氣機轉子流場進行了數值模擬。
  2. Chengdu telecom, the most important telecommunication hub in the southwestern china, has encountered many problems such as redundant personnel, shortage of new business that can grow very fast, low productivity, and rigid operation mechanism that cannot respond to the ever - changing competition, due to the fierce competition, delayed reform and restructuring, and poor administration and management systems

    這些問題的解答已是迫在眉睫。作為西南地區重要通信樞紐? ?成都電信，面對紛繁復雜的激烈競爭態勢，由於改革和重組到位晚、機制和管理體制相對滯后，面臨著人員多、負擔重、業務增長點缺乏、勞動生產率低、經營機制不夠靈活，難以適應瞬息萬變的市場競爭形勢等諸多難題。
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