Study of nonlinear response of cracked Jeffcott rotor in hovering state;
水平盘旋下裂纹转子的非线性响应
The basic flow patterns and hydraulic characteristics,flow velocity and pressure distribution characteristics,have been investigated on a model of the level rotary flow discharge tunnel.
通过模型试验,研究了水平旋流泄洪洞的基本流态、基本水力特性、流速分布与压强分布特性。
Influence of ventilation on hydraulic characteristics of level rotary flow has been investigated on the hydraulic model of an internal energy dissipation tunnel.
通过模型试验,研究了水平旋流条件下通气对水力特性的影响,结果表明,通气对流态、泄流量、壁面压强和空腔内的气体压强均有较显著的影响。
For the purpose of small scale helicopter rotor model test research in wind tunnel,a strain gauge rotor balance was developed to fulfill the requirement of the 2m diameter rotor model test stand.
为实现小尺寸直升机旋翼模型在风洞内进行测力试验研究,并得到可靠的数据,研制了用于Ф2米直升机旋翼模型试验台进行测力试验的旋翼天平,本文详细介绍了该天平结构特点与研制计算,并给出了静校结果和几次悬停、前飞试验的测量结果。
The paper has introduced design of the support system for rotary balance of high attack angle,and the importance and methods of studying spin of aircraft.
为此,设计了大攻角旋转天平支撑系统,此系统可测定飞机模型在不同姿态角下绕风轴以一系列恒定的角速率旋转时的气动特性。
The component of rotation along the velocity vector is used with the rotary balance test data and other components of the rotation vector are used with.
为得到飞机的尾旋特性准确的非线性仿真结果，提出了新的综合数据分析方法，在气动力建模时采用综合因子，合理地将总角速度分解成沿速度矢的分量和沿３ 个体轴的分量，沿速度矢量的旋转角速度用于旋转天平试验数据；旋转角速度的其它分量用于振荡天平试验数据，综合地使用了各类试验数据。
Explaning the Concept of both Reforms From Whirl Wind Caused by Lang Xian-ping to Liu Guo-guang Cyclones;
从“郎咸平旋风”到“刘国光旋风”看两种改革观之争
an assembly of rotating airfoils; horizontal rotors on a helicopter or compressor rotors of a jet engine.
旋转螺旋桨的集合；直升飞机上是水平旋转物，喷气式飞机上是压缩旋转物。
paranemic spiral
平行螺旋，反向双股螺旋
Levoamlodipine Besylate
苯磺酸左旋氨氯地平
horizontal flow-through coil planet centrifuge for counter current chromatography
水平螺旋管逆流层析仪
level luffing crane
平行运送旋臂起重机
a windlass rotated in a horizontal plane.
在水平面旋转的绞盘。
HVSS (Horizontal Volute Suspension System)
水平螺旋弹簧悬挂系统
Antarctic stratospheric circumpolar vortex
南极平流层环极涡旋
The tornado laid the houses flat.
旋风夷平了那些房子。
Plane Archimedes spiral antenna
阿基米德平面螺旋天线
A plane section of a surface of revolution containing the axis of revolution.
切平面通过旋转轴回转面的部分平面
The enantiomer that rotates the plane to the right is referred to as the dextrorotatory.
使平面向右旋转的对映体，称为右旋对映体。
Study on Field Rotation of 1.2m Alt-Az Telescope and Elimination of Image-Rotation;
1.2米地平式望远镜视场旋转研究与消旋
Complex Vortices Formed by Coaxial Superposition of Circular and Planar Vortices
环形与平面光学涡旋共线叠加的复合涡旋
"To lift the balance, extend the front leveling feet (turn clockwise)."
电子天平升高,右旋前面地脚;电子天平下降,左旋前面地脚螺栓。
flat surface that rotates and pushes against air or water.
旋转的平面能够推动水和空气。
The rotational angle of a ball around its rotational axis.
转轴角-----球旋转时转轴的水平角度。