A device for protection from the weather consisting of a collapsible, usually circular canopy mounted on a central rod.
雨伞用来防风雨装置，由某在一根中心柱上的可折收的，经常是圆形的罩蓬构成。
A ceramic rod with favorable heat conductivity is arranged on the bottom of a crucible to be used as a support seat to enhance the heat dissipation of the central position of crystal.
坩锅底部采用了导热性良好的陶瓷棒作支座，以增强晶体中心部位的散热。
The principle and method for quarto-rod can be analyzed as a device simply through rotation of the half Angle so as to find the central and circular points.
分析了采用半角转动法求中心点和圆周点以进行四杆机构综合的原理和方法。
The support rod frames respectively hinged by a central bracket and brackets at two ends.
托杆架分别由中心托架与两端托架铰接组成。
Vicia sativa root nodule is usually rod-shaped, it is mainly composed of many cortex cells and a very large central zone which contains meristem, infected tissue and senescent tissue.
箭舌豌豆根瘤为杆形，主要由皮层细胞和一个体积很大，含有分生组织、侵染组织，有时还有衰老组织的中心区域所组成。
The central lines of the glide block and the piston rod can automatically overlapped by the auto adjustment of the oscillating bearing so as to make the running of the glide block stable and flexible.
在剪板工作中，通过关节轴承的自动调节，可自动完成滑块与活塞杆中心线重合，使滑块运行平稳灵活。
The central lines of the glide block and the piston rod can automatically overlapped by the auto adjustment of the oscillating bearing so as to make the running of the glide block stable and flexible.
在剪板工作中，通过关节轴承的自动调节，可自动完成滑块与活塞杆中心线重合，使滑块运行平稳灵活。
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