1.
The mechanism of grinding internal gear of spherical worm emery-wheel is researched.
建立了砂轮的球基渐开螺旋面方程和分度球面螺旋线方程,给出螺旋运动参数、螺旋线导程。
2.
Novel broadband circular-polarized dielectric hemispherical helical antenna
一种宽带圆极化介质半球面螺旋天线
3.
Analysis on Bifilar Hemispherical Helical Antenna Array Based on MOM
基于矩量法的双臂半球面螺旋天线阵列分析
4.
The Research on NC Grinding Rake & Flank Faces of Ball-end Cutters with Spiral Shape Major Cutting Edge
数控磨削螺旋刃球头立铣刀前后刀面的研究
5.
total propeller-disk area
螺旋桨旋转盘总面积
6.
Wheels, tops and the earth rotate.
轮子、陀螺和地球均旋转。
7.
Plane Archimedes spiral antenna
阿基米德平面螺旋天线
8.
A surface in the form of a coil or screw.
螺旋面具有线盘或螺丝形状的表面
9.
The helicoidal surfaces are produced mostly by form cutting with forming cutters of end mill type, side mill type or disc type.
螺旋面大多数是用球头铣刀、侧铣刀、盘形刀具成形加工出来的。
10.
An airplane propeller mounted in front of the supporting surfaces.
牵引螺旋桨安装在支承面前面的飞机螺旋桨
11.
The Method of NC Program about Rough Cut of Helicoid Base on Helix-milling;
基于螺旋线铣削的螺旋面粗加工数控编程方法
12.
The water be thrash and churning about under the propeller
水在螺旋桨下面打旋、翻滚
13.
The water was thrashing and churning about under the propellers.
水在螺旋桨下面打旋、翻滚。
14.
The ortho cone helicoid was used interrsect intercept by the ortho cone helicoid and the cylinder.
正圆锥螺旋面是正圆柱螺旋面被同轴正圆锥面截得。
15.
Preparation of Spheroplasts from Arthrospira and RAPD Analysis of Spirulina and Arthrospira;
螺旋藻/节旋藻原生质球制备和RAPD分析研究
16.
Of or relating to a gastropod shell that coils clockwise and has its aperture to the right when facing the observer with the apex upward.
右旋的软体动物的螺形外壳上的螺线顺时针螺旋即顶点向上，面对观察者时，螺线向右旋转
17.
Helicoidal Surfaces and Pseudo-umbilical Surfaces in Minkowski 3-space;
三维Minkowski空间中的螺旋面和伪全脐曲面
18.
Hexagon nuts with raised face
GB/T804-1988球面六角螺母