查询词典 precision clock

The kinematics of precision centrifuge isanalyzed in Chapter 2 adopting Homogeneous transformation and vector analysis.The calculating formulae of centripetal acceleration generated by precision centrifugeand acceleration acting on input axis, output axis and pendulous axis of accelerometerare deduced in theory under various conditions.

论文第2章首先用齐次变换法和矢量分析法对精密离心机的运动学进行了分析，从理论上推导出离心机产生的向心加速度的计算公式，以及各种条件下作用在加速度计输入轴、输出轴和摆轴上的加速度。

From two to five chapter, there are mainly four research contents, which are the ultra-precision machining mechanism of engineering ceramic in the aspects of micro-scale and macro-scale, the key technology equipment, the ductile regime grinding experiments and surface quality of ultra-precision grinding. At last, there is a summary of the whole thesis.

第二章至第五章是本论文研究的主要内容，即工程陶瓷超精密磨削机理、超精密加工的关键工艺装备、超精密磨削的表面质量和延性域磨削实验研究四大部分，最后一章是全文总结。

Xiamen Jing Vega Precision Mold Co., Ltd., are conveniently located in Xiamen Airport, is a company specializing in developing, producing all kinds of silicone rubber molds, metal molds, injection molds and products, such as the strength of processing enterprises, related to the automobile, machinery, motors, machine tools, and many other industries, insist on "people-oriented", to attract and train a dedicated team of skilled professionals, able to design, manufacture all kinds of sophisticated silicon rubber and cold stamping die, we are in the mold design and manufacturers have a wealth of experience, mold design and manufacturing applications, CAD / CAM systems, are currently used by the world's most advanced EDS company UG (CAD / CAM integration) software, at the same time supported by Auto CAD, MASTERCAM, CIMATRON, Pro-Engineer design software, etc. to ensure that the mold design, manufacturing precision and consistency.

厦门精维佳精密模具有限公司，位于交通方便的厦门机场，是一家专业开发、生产各种硅橡胶模具、五金模具、注塑等模具及制品加工的实力型企业，涉及到了汽车、机械、电机、机床、等诸多行业，坚持"以人为本"，吸引和培养了一支富有敬业精神的技术型人才队伍，能自行设计、制造各种精密、复杂的硅橡胶及冷冲压模具，我们公司在模具设计和制造上有着丰富的经验，模具设计及制造应用的CAD/CAM系统，采用的是目前世界上最先进的EDS公司的UG软件，同时辅助以Auto CAD、MASTERCAM、CIMATRON、Pro-Engineer等设计软件，保证了模具设计、制造的精度和统一性。

According to the requirement of the high precision aspheric surface manufacturing and measurement, we design and realize a high precision manufacturing and measurement system with the technology of error compensation.

根据高精度非球面制造及测量的需求，设计并实现了高精度非球面制造及测量系统的控制软件。

For its connatural limitation, the synchronous precision is not high, its use is limited, so that the problem of high synchronous precision is not solved.

由于同步阀固有的缺陷，其同步精度不高，使用范围也受到限制，无法解决液压同步系统中高精度控制问题。

For a long time, it is a main factor to hamper the real-time application of SHET. The research is carried on aiming to quickening convergence speed. The automatic-changing Homotopy algorithm is proposed in the dissertation. The algorithm, which can change the solving method based on fundamental component, has the advantages of large convergence domain, high convergence rate and high precision. Many trigonometric functions are contained in the mathematical model, during solving equation, the calculated speed and the precision are affected by the calculations of trigonometric functions.

特定谐波消除技术的数学模型是一组非线性方程组，长期以来，方程的求解一直是限制该技术实时应用的关键因素，本文针对特定消谐方程组的快速求解进行细致的研究，提出自动变同伦算法，该算法可根据基波幅值的取值范围来决定采用的求解方法，其对求解方法的可选择性使该算法与其它算法相比具有计算速度快、收敛域宽、计算精度高等优点。

The precision of meter to measure current is no less than degree 0.5, and the precision of meter to measure time is

is 0.1mΩ。测量电流的仪表精确度应不低于0.5 级。测量时间用的仪表精确度不低于±0.1%。

The high precision reflector panel is part of a paraboloid of revolution. Taking the forming technique of separated manufacture, the precision of the panel edge is important as it is a curve in space.

高精度反射器面板型面为旋转抛物面的一部分，采用分块成形拼接安装的方法制造，每块面板的边缘形状为空间曲线，对边缘精度要求很高。

Computer automatically cutlass, cutter machine, high-precision plotter, as well as various high-precision measuring instruments tested.

电脑自动弯刀，切刀机，高精度绘图仪，以及各种高精度检验测量仪器。

The system has avoided the traditional precision guiding rail needed by large area flatness measurement and established a high precision virtual datum plane in computer.

该系统摒弃了传统的大面积工件平面度测量所需要的高精度导轨等实物基准，而是通过在计算机中建立高精度的虚拟基准，达到了对太阳帆板平面度的高精度测量，并对这种特殊的仪器结构所造成的光斑特性进行了分析。

It inculcates justification before God on the ground of human merits.

它说明在上帝灌输在地上人类优点。

TH Leaguer has excellent Quality Control and Management System.

本公司具有完善的品管部门。