翼

An experiment system is setup for the blade flapping motion measurement, a model of micro helicopter rotor manipulation mechanism is designed and completed, in order to obtain continuously changing angular velocity, a angular velocity control unit is also designed which consists of a power supplier and a voltage distributing circuit.

建立了微型直升机旋翼桨叶挥舞振动实验系统，研制了微型直升机旋翼操纵机构实验台和旋翼转速控制单元，提出了微型直升机旋翼桨叶挥舞振动的非接触式测量方法。

Also there should be no more than 2 3/8 inches between the crib slats so a baby''s body cant fit through the slats; no missing or cracked slats.

也有应不超过2 3 / 8英寸（约宽度1苏打水可）之间的婴儿床缝翼，所以baby'的机构可以吨适合通过缝翼；没有遗失或破获缝翼。

After compared with the experiment results, computational results have some error to theexperiment results, but it is same with the variation tendency of the experimental values.

随后对有小翼风力机和无小翼风力机的压力特性、速度特性进行了比较，得到了风力机叶尖加上小翼后，风力机叶端流场的变化。

The rotor thrust is, at first order, perpendicular to the tip path plane, and then an increase of the flapping angle will rock the thrust behind.This will increase the cross arm of the moment and then will also increase the moment.

最初旋翼的拉力线与旋翼机航向是垂直的，旋翼挥舞的增加使得拉力线的向后倾，这会增加旋翼拉力线相对于质心的力臂，直接导致扭矩的增加。

Different sweepback sweepback-wing and triangle-wing′s radar cross sectionare computed with finite difference time domain,and the profiles for the RCS are analyzed.

以时域有限差分法计算了不同后掠角的后掠翼和三角翼的雷达散射截面，并对其分布情况进行了分析；计算了不同后掠角的后掠翼和三角翼在多个频段的RCS，并按照不同的威胁判断求出平均值，得出RCS随频率的变化情况。

Foreplane canards of the Eurofighter Typhoon The Su-35 features a tri-plane wing configuration that features canards, the main wing and the tailplane.

欧洲的台风式战斗机采用了鸭式前翼。而苏35则采用了三翼面布局，包括鸭翼、主翼和水平尾翼。

Airfoil profiles for wind turbines are mostly chosen from aviatic ones,but design requirements between the two types are different in many aspect.

风力机翼型主要选自航空翼型，但风力机翼型与航空翼型的设计要求存在许多的不同之处，所以，基于初始航空翼型以获得适合风力机的翼型的优化设计工作就显得十分重要。

The hydrodynamic performance and the calculation of induced velocity along flow on the constant point after foil shows that if the effects of tip vortex and decay of vortex panel strength be considered, the accuracy of calculation can be increased. Velocity peak value in propeller wake current and distribution of induced velocity after three-dimensional short foil else can be calculated accurately.

通过对三维短翼的水动力性能和翼后给定点沿流向的诱导速度计算表明：采用考虑翼梢涡影响和涡的衰减影响的计算模型，可以提高三维短翼的水动力性能计算精度；可以准确地计算出螺旋桨尾流场的速度峰值；可以较好地计算出三维短翼翼后的诱导速度分布。

Based on the nature vibrational characteristics of the flat wing calculated by finite element method , generalized unsteady aerodynamic forces matrix induced by the wing deformation is gotten by using strip theory , and thus the flutter model equation of the single wing is given .

文中提出了一种分析亚音速下弹翼颤振临界速度的工程计算方法，其中弹翼的固有振动特性用有限元方法计算，利用片条理论计算弹翼变形诱导的广义非定常气动力矩阵，从而得到单独翼的颤振模型方程。

The ACW sports fixed wing leading-edge droop and an extended outer section of the wing to give greater tip chord.

它的&先进战翼&设计特别在于它的固定下垂的翼前缘，和被伸延的主翼外侧──以提供更大的翼尖弦长。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。