環形翼 的英文怎麼說
中文拼音 [huánxíngyì]
環形翼
英文
annular airfoil-
With circumspection, as invariably when entering an abode his own or not his own : with solicitude, the snakespiral springs of the mattress being old, the brass quoits and pendent viper radii loose and tremulous under stress and strain : prudently, as entering a lair or ambush of lust or adder : lightly, the less to disturb : reverently, the bed of conception and of birth, of consummation of marriage and of breach of marriage, of sleep and of death
謹慎地，就像每一次進入一座房子他自己的或並非他自己的的時候那樣，小心翼翼地，因為床墊子那蛇狀螺旋彈簧已經陳舊了，黃銅環和蝰蛇狀拱形擋頭也鬆鬆垮垮的，一用力過頭就顫悠顧慮周到地，就好像進入肉慾或毒蛇的巢穴或隱身之處似的輕輕地，省得驚動她虔誠地，因為那是妊娠與分娩之床，合巹與失貞之床，睡眠與死亡之床。The results show that : 1 ) though the water environment of nanyisan is more muddy than others, algal can still grow ; 2 ) the composition and rock type of the algal limestone are complex, the main rock types include lettuce - like stromatolites, algal reef, digitate stromatolies, wave - like stromatolites and so on ; 3 ) the deposits of algal limestones were formed in low - energy peritidal to subtidal high - energy environment of lakeshore slopes, sliding under the action of gravity and some other factors and become slump mixosedimentite layers ; 4 ) the physical property of algal limestones layers is better than others ; 5 ) the genetic development of the sediment decides that the single deposit is small, distributive and thin - layed
結果表明，南翼山藻灰巖沉積水體環境相對渾濁，但藻類仍能生長；該區藻灰巖巖石組成及類型復雜，主要的藻灰巖巖石類型有包心菜狀疊層石、藻礁、指狀疊層石、水平波狀疊層石等；其主要為濱岸斜坡上低能潮上環境至高能潮下環境形成的沉積體，在重力等因素的作用下產生滑動或滑塌形成的微生物成因的滑塌混積巖；巖層物性好於其它巖層；藻灰巖層的成因決定了該地區單個沉積體規模小、分散、層薄。Abstract : approximate methods for calculating aerodynamic heating rates on space shuttles are discussed. various methods are given for predicting the heating rate at axisymmetric stagnation points, general three dimensional stagnationpoints and the leading edge stagnation point of wings. numerous laminar and turbulent heating techniques for flat plates and cones are analyzed and compared. a brief review of some methods is presented to predict heating rate for winward centerline and lateral direction off the symmetry plane. the results show that the methods are simpler and can guarantee enought precision for predicting aerodynamic heating environment of space shuttles
文摘:介紹了國內外預測航天飛機氣動加熱的工程計算方法.給出了軸對稱、非軸對稱和機翼前緣等各種外形駐點熱流密度的計算，分析和比較了平板、錐體的層流和湍流熱流密度計算的各種方法，概述了航天飛機迎風面中心線和離開中心線橫向熱流密度的計算.計算結果表明，本文方法用在航天飛機氣動熱環境初步設計中比較簡單並且有足夠精度Use the collective to make the loop as round as possible
控制主旋翼的螺距，盡可能使飛行軌跡成為圓形的環狀。分享友人