閉端 的英文怎麼說
中文拼音 [bìduān]
閉端
英文
closed end-
And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development
主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。The design alleviates the problem of keeping the closed-end capillary clean and free of mercury slugs.
這種設計緩和了要求保持封閉端毛細管清潔和水銀芯暢通的問題。This design alleviates the problem of keeping the closed-end capillary clean and free of mercury slugs.
這種設計緩和了要求保持封閉端毛細管清潔和水銀芯暢通的問題。The method of close water test has been used for a long time, so richer experience has been achieved. however, it not only takes pains and time, but also consumes raw materials during the close water test because of miscellaneous working procedures such as bricklaying in the two ends of pipe, water - repellent layer plastering, maintaining and water offletting, brick - block backouting after the test, especially in the region short of water and some drainage pipe with prop - pipe construction. in order to satisfy the fast development of municipal construction, new detection methods should be developed
閉水試驗方法因其應用時間較長，目前已積累了較豐富的經驗，但在閉水試驗時，管道兩端砌築磚堵、抹防水層、養護、灌水浸泡，以及試驗后的放水、磚堵拆除等繁雜工序，不僅費工、費時，而且消耗原材料，尤其是在缺水的地區以及頂管施工的無壓管道，這些矛盾更加突出；因此，為滿足迅速發展的市政建設需要，有必要探索新的檢測方法，閉氣試驗就是其中一種，但是閉氣試驗目前還不完善，有待于進一步深入研究。A high - pitched woodwind instrument consisting of a slender tube closed at one end with keys and finger holes on the side and an opening near the closed end across which the breath is blown
由一根一端封閉的纖細管子組成的高音木管樂器，側邊有按鍵和指孔，靠近封閉端有一個使氣流進入的開口。The test tube is closed at one end with a hydraulic seal.
試管的一端為水封所封閉。This paper probes into mining mode of metalliferous deposit based on the viewpoint of industrial ecology, in the hope of improving resources efficiency, eliminating the four big hazard sources which can bring negative environment impact due to mining of metalliferous deposit, avoiding " end - treatment " engineering needed when mine are closed, keeping integrated mine ' s ecosystem in the process of mining metalliferous deposit
探討了基於工業生態學觀點的金屬礦床開采模式，以期提高資源效率，消除礦床開采對環境造成負面影響的4大危害源，消除礦山閉坑后的末端治理工程，使礦山在生產過程中保持礦區完整生態體系。Comparing with the neutral cave on the smooth plane that was thumb - like and opened at the bottom, the neutral caves on the plane with single roughness elements were closed circles. with the growing of roughness element s height, the closed circle became smaller
實驗中發現與光滑平板邊界層的下端開放式的拇指型中性曲線相比較，有粗糙元平板的中性曲線為封閉式的環形曲線，隨著粗糙元高度的進一步增加中性曲線收縮為更小的閉合環。They generally arise when a continuous pressure differential allows blood to flow constantly from a high to a low pressure area, as may occur in a variety of congenital defects, most commonly patent ductus arteriosus, anomalous origin of the left coronary artery, or coronary arteriovenous fistula
一般出現在持續壓力差使血液從一高壓區不斷流向低壓區時，也可以出現在一些有先天性缺陷的病，最常見的有動脈導管未閉、左冠狀動脈起端異常，或冠狀靜脈動脈瘺。0. 1in connectors for frequencies below 3 mhz. part 11 : edge socket connectors with closed ends and having a contactspacing of 2. 55 mm 0. 1 in mating either with board mounted connectors or printed wiring boards with edge board contacts
頻率低於3mhz的連接器.第11部分:與印製電板裝連接器或板邊具有接觸點的印製線路板相配用的帶封閉端的觸點間距為2 . 55mmInsulated closed - end connectors
絕緣閉端接線器The results indicate that the recirculations are caused at the closed end of the main duct and near the lower wall of the main duct in the lower side duct, and the secondary recirculation in the main duct ' s cross section, which appears only near the lower side duct, is caused due to section enlargement as gas enters the main duct from the side duct, when gas enters only at the entrance of the side duct
實驗結果表明，在只有支管進氣的情況下，在總管的封閉端和支管下游總管壁面處產生了迴流；以及氣流從支管進入總管後由于截面擴張在總管橫截面上所誘發的二次流，並且二次流現象只發生在支管下游附近的總管橫截面上。Generally, a planar triangulation method is used to enclose the unmatched contours
通常，對末端輪廓都是以平面三角剖分封閉端面。Closed - end fund
閉端式基金Textile machinery and accessories ; flat steel healds with closed end loops ; dimensions ; identical with iso 363 : 1992
紡織機械和附件.帶閉端環式鋼製片綜的尺寸;等同採用Standard specification for bearing, roller, needle : drawn outer ring, full complement, without inner ring, open and closed end, standard type
滾針滾柱軸承標準規范:拉制外環完全配套無內環開端和閉端標準型After initial installation, a discharge from the relief valve opening may occur due to inadequate initial flushing of pipe lines to eliminate dirt and pipe compounds
注：在閉端應用環境，如鍋爐給水管道或冷卻塔補水管道，由於在靜態或無流動期間，供應壓力有所波動，因此安全閥可能發生周期性排放。Detail specification for multi - contact edge socket electrical connectors - single or double sided, closed ended, replaceable contacts, through - board solder or wire wrap terminations - full assessment level
多觸點邊緣插座電氣連接器詳細規范.單面或雙面閉端可替換觸點穿板焊接或線繞終端.全面評估級Closed end blind rivets with break pull mandrel and protruding head - st st
帶截斷抽芯桿和凸頭的封閉端盲鉚釘. st stClosed end blind rivets with break pull mandrel and protruding head - aia st
帶截斷抽芯桿和凸頭的封閉端盲鉚釘. aia st分享友人