查询词典 spur

Using the method of normal paraffin sectioning, the leaf structures of apple cultivars Telamon, Spur Fuji, Fuji and hybrids derived from Spur-Fuji×Telamon with different phenotype in tree form were compared.

利用常规的石蜡切片法，对苹果品种舞姿、短枝富士、普通富士以及舞姿×短枝富士的实生后代的叶片结构进行解剖比较研究。

By using the non-instantaneous section envelope machining principle , a mathematical model of mold grinding helical-spur cylinder gear is established,which is a calculating method to shape axile sectional of grinding wheel for numerical control mold grinding helical-spur cylinder gear.

利用无瞬心包络法成形加工的原理，建立了成形磨削斜齿圆柱齿轮的一种数学模型，为斜齿圆柱齿轮数控成形磨削的砂轮轴向修形提供了一种计算方法。

The target of this thesis is to investigate the relationship between the transmission errors and applied torques of the spur gear by experiments. The main content includes the development of the gear transmission error test facility and its test planning. The transmission error tests and analyses under different loads, center distance and the axial crossed angle on spur gear pairs are also investigated.

本论文的目标系以实验方法探讨正齿轮对之传动误差与其扭力负载之关系，主要内容包含齿轮传动误差之测试设备建构与测试规划、不同扭力负载之正齿轮对的传动误差测试分析、不同中心距之正齿轮对的传动误差测试分析及不同轴交角之正齿轮对的传动误差测试分析。

In this study, a spur gear coupled theory combined with a spinning composite flexible shaft theory, is used to develop a double spinning composite shafts model that are containing coupled by spur gears.

中文摘要本文主要目的，在结合复合材料旋转轴的理论与齿轮联结理论，导出含齿轮联结效应之双复合材料轴的运动方程式，并探讨系统的振动特性与暂态响应。

Pyramid, or umbrella-shaped crown, branches with long sticks and the Spur of the points, 2-pin a bunch of needles, was born in a very short spur to the top.

树冠塔形或伞形，枝有长枝和短枝之分，针叶2针一束，生于极短的短枝顶端。

The kinematical admissible velocity fields is got through theory analysis, in addition, the calculation formulas of forming load and forming power of helical gears and spur gears are deduced using upper bound method.

通过理论分析，建立了动可容速度场，并且应用上限法推导了直齿轮和斜齿轮成形载荷、成形功率的计算公式，计算所得上限力接近试验测得载荷，并分析了螺旋角对斜齿轮冷锻载荷的影响。

For one thing, I was drawn to the power of the African American religious tradition to spur social change.

一件事，我被提请权力的非裔美国人的宗教传统，为推动社会变革。

Petals purple or yellowish white; spur apex incurved to an angle greater than 150°.

花瓣紫色的或淡黄白色；对一个大于150°的角度弯曲的距先端。

Petals dark purple; spur apex incurved to an angle of ca.

花瓣深紫色；距先端对一个约100°的角度弯曲 10 A。

In spur gears the line of contact is parallel to the axis of the rotation; in helical gears, the line is diagonal across the face of the tooth.

在正齿轮联络线与自转的轴是平行的；在螺线齿轮，线横跨牙的面孔是对角的。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。