Aerodynamic parameter identification of rapid self-rotating flight vehicle;
高速自旋飞行器气动参数辨识
By means of the nonholonomic mapping and Lagrange-d\'Alembert principle a geodesic in a Riemann space is mapped into an autoparallel in a Riemann-Cartan space.
基于Lagrange-d\'Alembert原理和非完整映射,将一个Riemann空间的测地线对应于另一个Riemann-Cartan空间的自平行线。
By means of the nonholonomic mapping and d\'Alembert-Lagrange principle a geodesic in a Riemann space is mapped to an autoparallel in a Riemann-Cartan space.
基于dAlembert-Lagrange原理和非完整映射,将一个Riemann空间的测地线对应于另一个Riemann-Cartan空间的自平行线。
paranemic spiral
平行螺旋，反向双股螺旋
The distance that a propeller would travel in an ideal medium during one complete revolution, measured parallel to the shaft of the propeller.
推进器转一圈的距离飞机螺旋桨旋转一次的前移距离，以其与螺旋桨相平行的距离衡量
A new-type planar Archimedean spiral antenna,the zigzag planar Archimedean spiral antenna,is presented.
对一种新型的平面阿基米德螺旋天线--锯齿状平面阿基米德螺旋天线进行了研究。
horizontal flow-through coil planet centrifuge for counter current chromatography
水平螺旋管逆流层析仪
HVSS (Horizontal Volute Suspension System)
水平螺旋弹簧悬挂系统
Plane Archimedes spiral antenna
阿基米德平面螺旋天线
, horizontal rotor that provides lift
旋翼机在飞行中以常规的螺旋桨来驱动并靠惯性滑行支持的，提供升力的水平旋转仪
move in a spiral or zigzag course.
作螺旋状或锯齿状行进。
A skyrocket that has a spiral flight.
螺旋飞行的一种焰火
a roll in which the plane follows a spiral course.
飞机螺旋式的翻滚飞行。
To alter the pitch of(a propeller)so that the chords of the blades are parallel with the line of flight.
顺流交距把螺旋桨叶转到使桨弦大致和拉力轴线平行
In the present representation this crystal would correspond to a parallel array of helices.
在这种表示法中，晶体应相当于许多螺旋线的平行排列。
Epidemiology of leptospirosis in Liping county,Guizhou,2001-2008
2001-2008年贵州省黎平县钩端螺旋体病流行病学特征分析
any of several creeping marine gastropods with a spirally coiled shell: whelks; tritons; moonshells; neritids.
几种爬行的海生腹足动物，有螺旋盘卷的壳；蛾螺；法螺；海月贝；蜒螺。
testing method for angle of spirality in plain knitted garments
平针织物的螺旋角度测定法
carbide shell face milling cutter with spiral teeth
螺旋齿套式硬质合金平面铣刀
"To lower the balance, turn the front leveling feet counterclockwise"
电子天平下降,左旋前面地脚螺栓。
The females have a club-shaped posterior extremity, the male （have) a flatly spiralled end.
雌虫有棒状后端，雄虫有扁平螺旋后端。
