輪狀頭 的英文怎麼說
中文拼音 [lúnzhuàngtóu]
輪狀頭
英文
trochocephalia-
After molting three times, the zoea enter the mysis stage during which they begin to look more like adult shrimp and swim in a characteristic fashion with head and tail pointed downwards at right angles and occasionally performing a sudden retrograde jumping action. this is known as the inversion state, the fry being suspended upside - down in the upper middle region of the pond water. this is, therefore, also called the " inverted suspension phase "
眼幼蟲脫第三次即進入糠蝦期幼蟲期mysis stage ，此期之體形已略成蝦之狀態，且具特有之游泳姿態，即頭部及尾部均向下，成一直角彎曲而時作向後跳躍游動，又因成倒立狀態，懸浮於水中的中上層，又叫倒吊期，此期幼蟲對外界的環境因素，如水溫鹽分等變化，比前兩期來得更具適應力，主要餌料為豐年蝦brine shrimp的幼蟲，但其他大小略同的動物性浮游生物，如橈腳類copepoda輪蟲類rotifera均可。A transcriptional fusion between 35s promoter and nearly full length hag1 cdna was constructed and transformation was performed through agrobacterium using root expantso the first whorl organs of transgenic plants flowers are carpel - like organs with stigmatic papilllae and a few ovules
轉基因植株花的表型類似與ap2突變體，其第一輪花器官萼片具有心皮的特徵，頂端產生柱頭狀的乳突，邊緣有胚珠產生。Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100
論文在全面闡述了光學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上，簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理，對兩種測量方法存在的問題及誤差進行詳細分析和比較；針對位相解包裹錯誤點的傳播問題，作者通過改變解包裹路徑來提高位相解包裹的正確性；分析討論從解包裹位相（ x ， y ）到再現物體的高度h （ x ， y ）物理量之間的關系，研究相應的演算法，利用matlab平臺，對實際採集的條紋圖像進行處理和輪廓重構，其中改進及創新工作主要表現在以下兩個方面： （ a ）針對干涉型結構光場干涉條紋出現的漂移抖動對相移的影響，提出了一種用條紋穩定器穩定干涉條紋，用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法，建立了相應的測量系統，系統的條紋穩定可以達到。Solving the wire loop profile for which nonlinearity mainly caused by plastic - elastic forming is a challenging work, a finite element model has been proposed to simulate the wire loop profiling, in which beam23 has been selected as calculating unit, and the trajectory of capillary is divided into many displacement loads and applied on the wire step by step
摘要針對引線成形過程中的材料非線性和幾何非線性問題，選用塑性變形梁beam23單元建立有限元模型，通過時引線分階段分步施加位移載荷模擬鍵合頭的運動軌跡，求解得到相應的引線輪廓形狀。Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in
基於摩擦學原理和接觸力學理論，提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下，就結構設計和配合關系等問題進行了分析討論，劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式；針對考慮摩擦時的變曲率結構，提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明，無論是預設計變曲率還是預磨合變曲率，都能改善軸承摩擦副的摩擦學特性，因而值得進一步研究和推廣The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall
論文通過分析國內外變曲率回轉體壁厚測量的現狀，提出了雙測頭接觸式測量方案:通過構造理論輪廓母線，建立鉸鏈中心的運動曲線，使鉸鏈中心始終沿運動曲線運動，以保證固定觸頭與傳感器測頭的連線始終在內壁法線方向上，從而傳感器測頭所得的數值即為壁厚值，該方案經模擬測試實驗取得了預期效果。Several hundred such drawings exist, scattered over many miles of desert : strange helmeted and antennaed figures, often floating in weightlessness as if the artist had been able to witness one of our modern space walks
存在著幾百幅這樣的圖畫，分散地存在於遼闊的沙漠上；奇怪的頭盔和天線輪廓，經常飄浮在無重狀態中，就像藝術家能夠見證我們現代的太空行走一樣。Based on the analysis of international and domestic steel market, outside environment and inside condition on developing of bulk transportation, it describes the import iron ore transportation system of wu steel systematically along the current main nodes from sources to the plant and relative quay, transfer port, storage system and logistic management system, designs a effectual and economic transporting mode in order to build up the developing direction of changjiang shipping company at the same time the author hopes that by means of theoretical analysis, research and integration on the traditional transportation mode in addition with the changing of outside environment, the conception of system logistic management and the angle of marketing strategy of shanghai company, the supposed transportation mode designed for wu steel in this paper and the relative facilities will reduce the cost of wu steel for import iron ore
本文以我國國有大型企業?武漢鋼鐵集團公司（以下簡稱『武鋼』 ）的原料運輸供應鏈? ?進口鐵礦石運輸的方式的研究為題，並結合長航集團上海長江輪船公司（以下簡稱『上海公司』 ）的散貨運輸的未來發展戰略目標和總體發展戰略，通過對國際、國內鋼鐵市場及散貨運輸發展的外部環境和內部條件因素的分析，以理論方法為忖托，依據實際狀況，沿著武鋼進口鐵礦石運輸進廠的節點、碼頭與倉儲系統以及物流管理系統對武鋼的進口鐵礦石運輸系統作一個綜合的分析，擬定一種有效的運輸模式，旨在為長航未來發展確定方向。Class 7 single and semi - double : a daisy - like flower with a center disk and one or more rows of ray florets
第七型單瓣至半重瓣型：頭花具有中間的筒狀小花，以及一至數輪的舌狀小花。Along with the striking vertical nose fins they added in france, the team also added two ' horn ' wings, similar to those on the mclaren, behind the driver ' s head
除了在鼻錐加上兩片特殊的直立鰭之外，在法國，車隊亦在車手頭部後方加上兩片牛角狀的翼，類似邁凱輪車上的那些。Gear form is precisely, plotted by portray point. for friendly user interface, the dialog - box is given, using dcl language to compile dialog box program. because the given program can not only output all the optimum basic parameters of pump gear, but also simulate the meshing process of a pair of pump gears, gear pump can be designed and manufactured economically
精確繪出泵齒輪的輪齒幾何形狀，尤其精確繪制出了標準齒輪滾刀切出的齒根過渡曲線，演示了國標雙圓弧頭標準滾刀加工泵齒輪的過程，並實現了泵齒輪副的嚙合模擬，這些對檢查輪齒干涉以及確定齒輪泵的卸荷槽位置和形狀提供了依據。And accordingly the new - type measurement is put forward in the paper, which is to increase the radial micrometers on the primary measuring - piece surface
提出新型滾輪法測量大直徑的方法，即在原有滾輪測頭上增加測量工件表面徑向跳動的測微儀，來實現形狀誤差測量。Use the interpolated curve divide the point cloud, avoid the contradiction between the smooth surface and surface precision. make the surfaces connect each other smoothly and can reveal the details of the real head
呼吸器的尺寸參數應該根據工人的實際頭部尺寸參數和輪廓形狀來製作，其形狀應貼合人體頭部形狀，達到比較好的防護效果。In the qualitative, quantitative and directional way, successful factors, such as the superiority of marketing, the superiority of resource, the superiority of consumption, and the advantage of corporations supporting, etc, were described, and six important background factors, include of the increasing consumption, the competition from milk market, the challenge of joining into wto, the adjustment of industry structure, the winning against oneself, and accelerating development, were analyzed. new objects were put forward, that is, high quality, rationalizatio n of region distribution, having a core of brand, trade penetrating into various area, diversification of product exploitation, internationalization of preponderant product, and orientating function in market. development of tianjin milk industry should be based on materials and base, take resource integrating and market regulating as means, take trade infiltrating and product development as support, take specialization, industrialization, collectivization and internationalization as orientation, take the development of international milk corporation as mode, and take " creating name brand, entering the first - ten corporation of milk industry " as object
本文在廣泛調查研究的基礎上，圍繞天津奶業發展，全面客觀地評價了天津奶業發展現狀，採用定性、定位、定量和定向的方法，描述了天津奶業作為城郊型奶業在競爭中形成的市場優勢、資源優勢、消費優勢、龍頭企業依託優勢、外資企業進入優勢、奶類項目援助優勢等眾多成功因素，分析了天津奶業未來保持產業領先地位必須認真對待的消費需求增長、乳業市場競爭、迎接入世挑戰、產業結構調整、克服自身劣勢、促進跨越發展的六大背景因素，提出了天津奶業新一輪發展瞄準優質生產無抗化、區域布局合理化、品牌整合核心化、行業滲透多角化、產品開發多樣化、高點對接國際化、市場避強導向化的目標定位和以原料、基地為基礎、以資源整合和市場調整為手段、以行業滲透和產品開發為支撐、以專業化、產業化、集團化、規模化、國際化的發展道路為方向，以國際乳品企業的發展為模式，以「創造一流品牌、跨入乳業十強」為目標的天津奶業發展思路，以及天津奶業二十一世紀前十年和前二十年兩大階段奶牛養殖的五大奮斗目標和區域布局原則，最後有針對性地提出飼養模式選擇、全流程安全生產、產業化龍頭培育、學生飲用奶推廣、政策扶持等促進天津奶業成長的對策措施。Make a visual examination of the breasts and nipples, looking for changes in their contour, shape, colour and skin texture and any evidence of discharge from the nipples
觀察乳房和乳頭的輪廓、形狀、顏色和質感有沒有改變，乳頭有沒有分泌物流出的跡象。The station sign read : every autumn a combination of leaves on the line, atmospheric conditions and prevailing damp conditions lead to a low adhesion between the rail head and the wheel which causes services to be delayed or even cancelled
該火車站的一個告示牌上寫道： 「每到秋天，鐵道上的落葉、大氣狀況和潮濕的天氣使火車頭和車輪間的粘附力減小，導致火車延誤或取消。 」According to the rheological properties of melted abs filament during extrusion from fdm ' s nozzle, on the basis of research on extruded filament section shape, the compensation model of ideal contour line is established, and a new technique for compensating inner or outer contour line of workpiece is put forward, which should depend on the real width of extruded filament ( instead of nozzle radius ) and the real dimensional shrinkage of workpiece
根據abs絲從噴頭擠出過程中的流變性能，在研究fdm工藝噴頭擠出絲截面形狀的基礎上，建立了理想輪廓線的補償模型，並提出了根據擠出絲實際寬度（而非噴嘴孔直徑）和零件尺寸實際收縮量補償零件內、外輪廓的新方法，驗證試驗結果表明該補償模型和補償方法正確可行。分享友人