脈動階段 的英文怎麼說

中文拼音 [màidòngjiēduàn]
脈動階段 英文
pulsation phase
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
  • 段 : Ⅰ量詞（部分） section; segment; part; paragraph; passage Ⅱ名詞（姓氏） a surname
  • 脈動 : [物理學] [天文學] pulsation; pulsing; pulse; ripple; impulsive motion; pulsating; panting; loping...
  • 階段 : stage; phase; period; gradation; bench
  1. Aiming at permanent brushless dc motor in mini - bev ( battery electric vehicle ) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un - modeling parameters, and to ensure the robustness in the process of reaching slide mode plane

    摘要針對微型電動車用永磁無別電動機轉矩脈動大、低速運行時噪聲明顯等主要問題，採用模糊控制和滑模控制相結合的方法，克服了未建模參數的影響，保證了滑模到達階段的魯棒性，同時抑制了轉矩脈動。
  2. A device that periodically and automatically opens and closes an electric circuit, producing pulses

    斷續器一種階段性的能自動打開及關閉電路並產生脈沖的儀器
  3. Numerical results indicate that the sheath expands faster than dust - free sheathes. it is also shown that, for small dust particles, the motion of dust particles is very remarkable and the charging effect can be negligible, and for large dust particles, the charging effect of dust particles becomes more evident while they are almost kept stationary during the whole negative potential pulse

    計算結果表明：塵埃等離子體鞘層要比無塵埃粒子的等離子體鞘層擴展地快；對于小顆粒的塵埃粒子，塵埃粒子的運動十分明顯，而塵埃粒子的充電效應幾乎可以忽略；對于大顆粒的塵埃粒子，充電效應將變得十分明顯，而塵埃粒子在整個負脈沖階段，幾乎保持不變。
  4. Setting from the two perspectives of the historical development and the theory of international relations, and from the macro and micro aspects, with the extension of the connotation of petroleum resources as the clue, this essay goes further step by step, trying to show the influence of international politics, especially with the emphasis on the study of the prominence of the strategic meaning of petroleum resources since world war i, the creation of international petroleum market after world war ii and the challenge between the two large international petroleum organizations ; making efforts to master the specific properties, essence and developing tendency in the three stages of petroleum resources as common goods, strategic material and political products ; analyzing some negative factors which the petroleum resources produce on the up - date world economy and national security

    本文從歷史演進和國際關系理論兩種視角，從宏觀和微觀兩個層面，以石油資源內涵的擴展為線，層層深入，力圖展示其對國際政治的影響，尤其側重於研究自第一次世界大戰以來石油資源戰略意義的凸現，及二戰后國際石油市場的形成與兩大國際石油組織的相互博弈與互動，力求準確地把握石油資源作為普通商品、戰略物質與政治產品三個階段的特性、實質和發展趨勢，剖析石油資源對當今世界經濟與國家安全的一些消極因素，並且針對我國石油安全現狀，粗略提出了一些應對措施，以試圖闡述能源安全的重要性及展示其發展的歷史脈絡。
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