主要部件

Directed against the designed parallel welding head mechanism of IC chip pasting machine,the movement equation was established,the positive solution of motion equation was presented,and the positive and reverse solutions of velocity and acceleration were derived.

高速高精度IC芯片粘片机是IC芯片封装的主要设备之一，其粘片速度已超过10 000次/h，定位精度达微米级，而且粘片速度和定位精度有越来越高的趋势[1]，但目前国内外IC芯片粘片机的焊头机构都采用串联结构的形式，运动部件的惯量很大，不利于粘片速度和定位精度的提高。

Software Development Cycle- identify the major software development cycle components and software technologies used to develop the software solution.

软件开发周期确定的主要软件开发周期，部件和软件技术，用于发展软件解决方案。

ANTI-AGING: ALOE MUCIN is a kind of protein made up primarily of arboran A, B, aloe mannan and other polysaccharides are the key components for the prevention of cell aging and treatment of chronic allergy.

抗老：芦荟粘蛋白是一种由主要arboran一、二、芦荟多糖是甘露等关键部件为防止细胞老化和治疗慢性过敏症。

The flow-measurement is composed by Turbine Flow mete, 8031 single-chip microcomputer and the interface circle and etc.

该计量控制仪的硬件主要由涡轮流量传感器、8031单片机及其接口电路等部件组成。

Each and every electrolytic capacitor is replaced with new components including the two original 80,000 microFarad main filters replaced by two new 120,000 microFarad units.

每一个电解电容，包括原来的两个80000法拉两个新的120000法拉单位主要过滤器更换新的部件替换。

This design firstly fixed on design scheme and selected basic components, and besides, developed the reliability analysis of transmission system. The design of MG300/701-WD Shearer's cutting unit. It is made up of a gearbox and moderate breeze gear wheel transmission that the MG300/701-WD type mining machine cuts the cutting department, Cut the electrical machinery of cutting department and put to fix up horizontally in the rocker arm, The power that the motor outputs leans on a round of transmission of department of gear wheel and planet round via the tertiary straight tooth, Urge the cylinder to rotate finally.

本文首先确定了设计方案和选择了基本部件并开展了传动系统的可靠性分析，MG300/701-WD型采煤机截割部主要是由一个减速箱和四级齿轮传动组成，截割部电机放在摇臂内横向布置，电动机输出的动力经由三级直齿圆拄齿轮和行星轮系的传动，最后驱动滚筒旋转。

Ozonizer core component - discharge chamber, discharge chamber used in the main body has dielectric ceramics, glass and enamel.

臭氧发生器核心部件——放电室，放电室中使用的介电体主要有陶瓷、玻璃和搪瓷。

In this paper, based on the flexible multibody dynamics model of the virtual axis hybrid polishing machine tool, the differential — algebra hybrid equations is calculated by the Newton- Raphson method. The variety of the moving displacement, the velocity and the acceleration for the moving platform, leg, slider on the 3- PTT parallel mechanism and the pose curve of the series mechanism are obtained.

论文主要完成了在已经建立的虚拟轴混联研抛机床多柔体动力学模型基础上，应用牛顿—拉斐逊（Newton-Raphson）数值计算方法求解微分—代数混合方程组，得到3-PTT并联机构动平台、支杆、滑鞍各部件的运动轨迹、速度和加速度变化规律，以及串联机构的姿态变化曲线。

The main processing Paulownia selling a variety of high-quality puzzle, furniture components, Glulam and decorative plates.

主要加工销售各种优质桐木拼板、家具部件、集成材和装饰用板材。

It is also used to verify the perpendicularity of parts and related surfaces of parts during equipment installation and repair.

按JB/T6092-85标准制造，村愁闷HT200，主要用于制件直角的检验和划线，在安装和调修设备时，检验零件或部件有关表面的垂直度。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。