The flow field and performance of a helicopter ducted tail rotor in hovering and sideward flight were analyzed using CFD(Computational Fluid Dynamic) technique.
采用CFD(计算流体力学)方法分析在悬停和侧飞时直升机涵道尾桨的流场与性能。
The shroud at high speed is modeled as an elliptic wing in order to construct a momentum theory method to investigate the aerodynamic characteristics of ducted tail rotor in hover and forward flight.
引入尾流收缩比因子,并将大速度时的涵道等效为圆形机翼,建立了一个适合于直升机悬停和前飞状态涵道尾桨气动特性分析的动量理论方法。
The flow field characteristic of a helicopter ducted tail rotor in hovering were analyzed using CFD method in this paper.
本文采用CFD方法分析了悬停状态下涵道尾桨的流场特性。
The Synergy N9 features a rugged tail boom / tail drive assembly.
协同n9特色一条崎岖的尾巴臂/尾道大会.
Waterproofing and sealing of shield tail and sealing grease
盾构法隧道的盾尾防水密封与盾尾密封油脂
Rudolf watched the red taillights speeding off.
鲁道夫看着红色的汽车尾灯急驰而去。
a pipe carrying fumes from the muffler to the rear of a car.
一种从消声器中运到汽车尾部的管道。
Wrote in an apology at the end of the note.
在纸条末尾加上一句道歉的话
If you have appendicitis, or any other inflamed intestinal disease.
如果你患有阑尾炎或其他肠道疾病。
Since I didn't read it, I don't know how the story ended.
由于我没读它， 我不知道故事如何结尾。
I wish I knew a story without an end.
我希望我知道一个没有结尾的故事。
Evaluation of Caudal Regression Syndrome with MRI: Report of Three Cases;
尾部退化综合征的MRI评价（附三例报道）
Research and Practice in Treating with River Polluting Caused by Milltailings' Overflow.
尾矿外溢污染河道问题的研究与治理
Application of Supervisory Measurement in Construction of Maweizhai Tunnel
监控量测在马尾寨隧道施工中的应用
CFD Analysis for the Ducted Tail Rotor in Forward Flight
前飞状态涵道尾桨气动特性CFD分析
CFD Analysis for the Ducted Tail Rotor Based on Momentum-Source Method
基于动量源方法的涵道尾桨CFD分析
Application research of asbestos tailing in highway concrete
石棉尾矿在道路混凝土中的应用研究
Histochemistry of resin ducts developmental processes in the stem of Pinus massoniana
马尾松茎树脂道发育的组织化学研究
The rear wing's job is simple– to keep the back wheels of the car firmly on the track.
尾翼的任务很简单——是赛车尾部牢牢地附在赛道上。
It also hangs suspended from the underside of the surface film by its tail, which acts as a breathing tube.
它也能用尾巴倒挂在水面薄膜下面，尾巴就是它的呼吸道。
Of course, walk straight to the end. Then turn left. It’ s on the corner of the bottom aisle.
当然，直走到底。再左转。它就在尾端走道的角落上。