double stem 中文意思是什麼

double stem 解釋
雙心柱電子管的
  • double : adj 1 兩倍的,加倍的。2 雙的,二重的,雙重的;對,雙,兩,復。3 雙人用的;折疊式的。4 (意義)雙...
  • stem : STEM =Scanning transmission electron microscope 掃描透射式電子顯微鏡。n 1 (草木的)莖,干,梗;...
  1. The acrocarpous group includes the mosses capsule growing from the apex of branch or stem. it is from hdwigiaceae to hylocomiaceae. with bigger body, this group can preserve water and soil in forest ecological system and be favored double by horticulturist

    同時,根據研究的標本編制了河北省側蒴蘚類植物分科、分屬、分種檢索表,並根據標本對其中重要的代表種類做了顯微繪圖。
  2. This ship is built of steel, double propellers, double rudders, raked stem, transom stern, two longitudinally continuous decks and four - storey deckhouse with the engineroom located in midship, driven by diesel engines

    本船原為鋼質雙槳雙舵,傾斜首柱方尾,有兩層縱通甲板和四層甲板室,機艙位於中部的柴油機客貨船。
  3. Non - rotating stem with precision acme threads and burnished finish. double acme for faster operation

    不旋轉的閥桿具有精密的梯形螺紋和拋光光潔度。雙梯形螺紋使得操作更加快速。
  4. The goal of the dissertation is based on a doctrine which to find a road to break long - disturbing the chinese nation structual cultive of " self - ambition and self - contempt " double psychological conflict. with the central issue of rational resetup national self - confidence, and on the guide of historical materialism and dialectic materialism, then carry on several tentative research as following : firstly, as viewed from culture, the author reexplain the connotation and extention of national self - confidence, reveal the functional relationship between national self - confidence and culture. bring up a new opinion that national self - confidence stem form national culture, and it is a belief in national culture, it becomes rational base and inner power of national consciousness

    本文基於文化建設應肩負培育和弘揚民族精神這一任務要求,圍繞文化重建民族自信心,打破長期困擾中華民族的「自大? ?自卑」二元心理沖突結構這一中心課題,以歷史唯物主義與辯證唯物主義為指導,進行了如下幾個方面的嘗試性研究:一、從文化的角度,重新闡釋了民族自信心的內涵與外延,揭示了民族自信心與文化的功能性關系。提出民族自信心來源於一種民族文化的建構,是建立在理性基礎上的一種對民族文化的認同和信仰,它構成一個民族的民族精神的核心部位和內驅力量。
  5. Chopower machinery, as one of the leaders of plastic machinery industry, has all products that cover plastic automatic feeder, auto weight metering & mixing device, single and double screw stem extruder, dehumidification & dryer device, fiber - recycled prilling unit, high - speed and other ancillary equipments

    張家港市卓力機械有限公司,作為機械行業的領頭人,謹向各界客戶隆重推出全方位的系列自動加料機、自動計量混合機、擠出機、除濕乾燥機、料斗式乾燥機、化纖回收造粒機、高速混合機、儲料倉等各類輔機周邊設備。
  6. This vessel is made of steel, catamaran, fore raked stem, transom stern, round bilge, fore raised deck, single open deck, double main engines, double propellers, double rudders

    本船為鋼質雙體船,前傾艏柱,方艉圓舭,艏升高甲板單層露天甲板,雙主機雙螺旋槳雙舵。
  7. This vessel is used by hk government to transport prisoners. the vessel is built of single continuous deck, raked stem, transom stern, double engines, double propellers and double rudders

    本船為香港政府使用的囚犯運輸船,該船具單連續主甲板,前傾艏柱方艉雙機雙槳雙舵的多功能船。
  8. This tug is made of steel, fore raked stem, transom stern, single bottom, single deck, transverse framing, double engines and double rudder propellers

    本船為鋼質前傾首柱方尾單底單甲板橫骨架式雙機雙轉動導管。
  9. This vessel is a steel tug with fore raked stem, transom stern, single bottom, single continuous deck, transverse framing, double engines and double vectorable ducted propellers

    24 . 30m本船為鋼質前傾首柱方尾單底單連續甲板橫骨架式雙機雙轉動導管拖船。
  10. Under the function of big pressure and dynamic load, the grains may be moved which may cause the soil body distortion. at present, the relatively ripe methods of drill in gravel layer are mostly double - wall drill pipe reverse circulation drilling, auger stem breast wall drilling and down - the - hole hammer follow down drilling

    論文根據jsl ? 30型礫石鉆機潛孔錘同心跟管鉆具結構,採用程序計算得到了鉆桿內各深度處壓力分佈、鉆頭壓力降、環形空間壓力分佈及空氣流速分佈。
  11. Introducing the thermal performance calculation method called efficient factor method with the medium of the exchange coefficient on the base of the key factors which influencing the heat and humidity ' s exchange, the characters ordinary mathematics equations stem from the analysis the double spray chamber ' s thermal performance calculation identically utilizing efficient factor method, further the equations working as the core of the theory calculation and the utilization of the spray chamber ' s structure and the definition of the experimental equations, further introducing the double spray chamber ' s thermal performance calculation equations

    雙噴系統熱工計算同樣採用效率系數法,進而在理論部分引出雙噴系統熱工計算方程式,這實質上就得到了本課題的核心部分? ?組合方程組,無論是理論計算還是噴水室結構類型的採用以及試驗公式的確定均以此為核心,從而最終從理論計算、試驗測定及節能性三方面論證了雙噴水室熱回收方案的可行性。
  12. Double d stem configuration : gives positive attachment for handles or actuators

    雙d閥桿結構:非常適用於連接操作手柄或執行機構。
  13. Study on superiority of yields and fiber quality of double - stem cotton and boll - setting mechanism

    雙稈棉產量品質優勢及其成鈴機理的研究
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