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- An Analytical Model of Mountain Wave Drag for Wind Profiles with Shear and Curvature. 有切變和曲率風(fēng)廓線(xiàn)的山地波阻力的分析模式。
- The wave drag coefficient also increases with increasing upswept angle at transonic speed. 在跨音速時(shí)，波阻系數也與上翹角有關(guān)，上翹角增加會(huì )導致波阻系數進(jìn)一步加大。
- The wave drag increases with increasing upsweep angles and decreases with increasing flatness of the aftbody. 上翹 角增大，后體激波阻力增加；后體越扁平，后體激波阻力略有減小。
- The short-spined, motile toxopneustids (e.g., Lytechinus variegatus) have a delicate test, which limits them to areas with low wave impact. 肛門(mén)在身體的上方，有些品種會(huì )有一個(gè)半透明球狀的排泄殖腔。
- In transonic flow, a simple empirical formulation is given to predict the wave drag of upswept aftbody, which extends the usable range of Mach number. 在跨音速范圍，給出了一種簡(jiǎn) 單的上翹后體波阻的估算方法，拓寬了馬赫數的適用范圍。
- High precision and large capacity humidity apparatus, which be sure the humidity quickly and low wave. 高精度、大容量濕度發(fā)生器。確保濕度控制發(fā)生快、精度高、波動(dòng)小。
- The results also show that both gravity wave drag and envelope orography have smaller influence on model results in the beginning of simulation, but greater in the later stage. 不論是地形重力波拖曳還是包絡(luò )地形，在模式積分的初期，它們的作用并不明顯，隨著(zhù)積分時(shí)間的增長(cháng)，它們對模擬結果的影響程度增大。
- As the tradition method can only estimate the addition of wave drag from subsonic to supersonic, and can not calculate the change of drag when Mach number increases. 由于傳統的工程計算方法只能估算旋成體從亞音速到低超音速的波阻增加量，不能計算阻力隨馬赫數增加而引起的變化。
- The calculations show that in the low wave number band, the outer surface is stable, while the feedthrough growth on the inner surface is rapid, resulting in the observed pha. 利用小擾動(dòng)分析法,導出不可壓縮球殼結構的饋通增長(cháng)方程,數值模擬了高壓氣體驅動(dòng)外表面有初始擾動(dòng)的明膠球殼的瑞利泰勒不穩定性模型。
- A grappling device for dragging bodies of water, such as lakes or rivers. 抓鉤一種用于拖拉湖泊或河流上船只的鉤狀物
- This designing would do low wave filtering and DFT process ,so as to estimate the frequence of the signal.. Therefor the system can change it's sample cycle according the signal frequence. 本測量系統對待測信號進(jìn)行采樣后，作數字低通濾波和DFT運算以估算其頻率，從而根據信號頻率靈活調整采樣周期，能夠工作在很寬的頻率范圍內。
- Abnormally low body temperature. 體溫過(guò)低不正常地低的體溫
- A grapplingdevice for dragging bodies of water, such as lakes or rivers. 抓鉤一種用于拖拉湖泊或河流上船只的鉤狀物。
- The government is trying to keep a low profile on this issue. 政府力圖在這個(gè)問(wèn)題上保持低姿態(tài)。
- The singer forced his low notes. 那位歌手勉強唱出低音。
- Being a tutor for a low learner is really a drag. 身為反應遲鈍學(xué)生的家庭教師，真累人。
- The mountain waves may exert wave drags to the atmosphere even though when the lower atmospheric boundary layer is neu... 最后討論了大氣粘性對中性或不穩定層結下地形波的影響。
- He because of bashful but low head. 他因羞愧而低下了頭。
- The ship lay keeled over at low tide. 那艘船因退潮而傾覆。
- Stratified Flow along a Corrugated Slope: Separation Drag and Wave Drag 沿著(zhù)波形斜坡的成層氣流:曵力和波曵力的區分
