1.
Diagnosis of vertical helicity, divergence flux and their extensions in heavy-rainfall events
强降水过程中垂直螺旋度和散度通量及其拓展形式的诊断分析
2.
Study of Kinematic Density of Materials in Vertical Screw Conveyor
垂直螺旋输送机内物料的运动密度研究
3.
inferential helical rotor vertical pattern flowmeter
垂直式螺旋转子推导流量计
4.
Optimum Figuration of Helix S-Type Vertical Axis Wind Tubine
螺旋形S型垂直轴风轮结构优化设计
5.
A vertical support at the center of a circular staircase.
螺旋楼梯中柱环行楼梯中间的垂直支撑
6.
Study on spiral flow in vertical pipe using the particle image velocimetry
基于粒子图像测速技术的垂直管螺旋流研究
7.
Treatment of rotatally and vertically unstable pelvic fracture by fixation of L5S1 pedicle screws combined iliac screws
椎弓根螺钉结合髂骨板间螺钉治疗旋转垂直不稳定型骨盆骨折
8.
rotary vertical crockmeter method
垂直旋转摩擦色牢度仪法
9.
W is attached to a bar, movable vertically around an axis A and suspended by the helical spring F.
摆锤w装在一根杆上，在轴A周围垂直移动，它由螺旋弹簧F所悬挂。
10.
Fig.2 Showing lelf| handed helix of the isolated secondary wall and the join structure of vertical line( arrow).
图2示离体次生壁的形态，左手螺旋和垂直线联结结构(箭头)。
11.
However, increasing the diameter of the dowel may reduce the stress slightly.
(2)垂直受力时：螺旋根柱侧方的应力随受力而往两侧增加。
12.
An aircraft that derives its lift from blades that rotate about an approximately vertical central axis.
直升机螺旋桨叶围绕一根近似垂直的中心轴旋转而使其升高的飞机
13.
spiral flute machine reamer with straight shank
螺旋直柄槽机用铰刀
14.
helix accelerator
螺旋波导直线加速器
15.
direct-drive auger
直接传动式输送螺旋
16.
A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.
螺旋线附着于圆柱体或圆锥体之上的三维曲线，其垂直于中轴线的平面角是一个恒量
17.
The Effects of Vertical Wind Shear on Tropical Cyclone Intensity of Variation in Northwestern Pacific;
环境风垂直切变对西北太平洋热带气旋强度变化的影响分析
18.
A Numerical Study of the Role of Environmental Vertical Wind Shear on Tropical Cyclone;
环境垂直风切变对热带气旋强度影响的数值模拟分析