1.
Fundamental Research on Precision Grinding Technology in Machining High-Rigidity Rotary Sphere;
高硬度回转球面精密磨削的基础研究
2.
Spherical Precision Grinding System and Error Modeling
回转球面精密磨削系统及其误差模型
3.
A bacterium having a spherical or spheroidal shape.
球菌球形或回转扁椭球体形状的细菌
4.
Backspin: Reverse spin imparted by striking the ball with a downward movement of the racket.
下旋：向下挥动球拍击出的旋转球，使球回转。
5.
On the way down, the ball gains kinetic energy at the expense of gravitational energy.
球往下掉时，重力位能又转换回动能。
6.
He put a lot of spin on his backhand re-turn.
他的反手回球旋转很厉害。
7.
A STUDY ON NEW PELLET TECHNOLOGY USING ROTARY REGRESSIVE METHOD
使用旋转回归设计法研究球团新工艺
8.
Review and Prospects of Global Development of Genetically Modified Crops and China s Countermeasures;
全球转基因作物发展回顾、展望和对策
9.
The Modal Analysis of Φ3.8m×13m Ball Mill's Turning Parts
Φ3.8m×13m球磨机回转部件的模态分析
10.
Finite element intensity analysis of MQY2747 ball-mill rotator
MQY2747型球磨机回转体强度有限元分析
11.
a tennis return made with a downward motion that puts backspin on the ball.
在网球中用一个向下的动作来使球旋转回去。
12.
You see the earth takes twenty-four hours to turn round on its axis--'
要知道地球绕轴转一回要用二十四个钟头。”
13.
The algorithm for bonnet tool polishing of rotary symmetrical aspheric surface
回转对称非球面气囊抛光控制算法研究
14.
Study on Parametric Finite Element Analysis of the Rotator of Large-Scale Ball Mill;
大型球磨机回转体参数化有限元分析研究
15.
Design and application of electrostatic precipitator for grate-rotary flue gas in large scale pellet plant
大型球团链篦机回转窑电除尘器的设计与应用
16.
Development of Refractory for Oxidized Ball Group Chain Fire Grate Machine-Rotary Kiln
氧化球团链篦机-回转窑用耐火材料的进展
17.
Exergy Analysis of Grate-Kiln Iron Ore Pellets Induration Process
链篦机-回转窑铁矿氧化球团焙烧过程的分析
18.
Mechanism Study and Countermeasures on Ring Formation of Rotary Kiln Used to Produce Oxidized Pellets in KISC
昆钢球团回转窑结圈机理研究及预防控制