桨叶

Secondly,two basic methods of modeling wind wheel are analyzed:one is based on blade element theory;the other is based on blade aerodynamicist theory.

讨论和比较了两种风轮建模的基本方法：一种是基于叶素理论的建模，另一种是基于桨叶空气动力学的机理建模。

One man made himself a big paddle wheel and tipped the paddle with amber, then he fastened his cat under the wheel.

有一个人自己做了个桨轮，在桨叶的装上了琥柏；然后他又把一直一只猫帮在桨轮的下面。

The oars onto the thole pins and, leaning forward against the thrust of the blades in the water, he

他把桨上的绳圈套在桨栓上，然后将桨叶向后深深地插入水中，身

In this experiment, with the leaf of Toona sinensis and the root of kudzu as the material, with the falconoid compound as quality criterion, the affect of dynamic extraction and stationary extraction has been compared, and the affect of the temperature , the ratio of stuff and impregnate, the velocity of whisk and the figure of oar have been investigated.

在本文实验中，以香椿叶、葛根为原料，以黄酮类化合物为质量指标，比较了动态浸取和静态浸取对浸取速率和浸取率的影响，同时研究在动态浸取时温度，料液比，搅拌速率以及桨叶型式对浸取速率和浸取率的影响。

Vortex lattice method is presented for calculating the loading distributions on all blades of propeller and hub which a number of small hyperboloidal quadrilateral panels are discreted.

螺旋桨采用离散涡环法，将桨叶表面和桨毂表面离散为一系列双曲四边形，在四边形网格中布置集中涡环和线源分布，根据物面条件建立方程得到涡和源汇分布的强度。

The angle grinder of claim 15 wherein the switch lock lever is pivotally coupled to the finger stop protrusion proximate a lower portion of the finger stop protrusion, the switch lock lever comprising an elongated member which in the locked off position protrudes from the pivotal coupling toward the tool handle body and from the pivotal coupling downward from the switch paddle, the switch lock lever being pivotally movable by the user's hand to the operational position permitting movement of the switch paddle toward the handle body and activation of the tool.

该角磨索赔15个，其中开关锁杠杆是pivotally耦合到手指停止凸出近因较低的部分手指停止凸出，开关锁杠杆组成一个细长的会员，其中处于锁定小康位置protrudes从枢纽耦合走向工具处理机构，从关键耦合向下，从开关桨叶，开关锁杠杆正在pivotally动产由使用者手部，以业务许可的移动交换机桨对处理机构和激活的工具。

C29 Main rotor blade is all composite with nickel and titanium abrasion strips and a removable tip cap assembly.

主旋翼桨叶是镍、钛复合材料制成，有可拆卸桨尖罩。

Finally, an example involving simulation of the longitudinal turbulent wind field of a 1.25 MW three-bladed pitch regulated wind turbine system was investigated.

最后，结合典型的1.25 MW三桨叶变桨距风力发电机组进行纵向风速场数值仿真。

This method is based on the blade second-order lifting-line model, the full-span free wake model, panel model for the fuselage and rotor trim model. By iterating induced velocities on the fuselage surface caused by rotor/wake and those on the rotor plane/wake caused by fuselage, a comprehensive analytical model is established.

该方法建立在桨叶的二阶升力线模型、旋翼的全展自由尾迹模型、机身的源面元模型、旋翼的配平模型的基础上，通过迭代旋翼/尾迹在机身上的诱导速度和机身在桨盘平面、尾迹定位点的诱导速度，形成一个全耦合的综合分析模型。

At normal operation, the three pitch control cylinders receive control si...

在正常工作状态下，由三只控制油缸接受控制系统指令实现精确变桨；在故障状态下，三只安全油缸分别驱动三只桨叶回到顺桨位置。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失