clock and watch brush

The optimal design of gear parameters in the movements of clocks and watches is a combinatorial optimization problem, which is too difficult to be solved optimally using traditional optimization methods.

在钟表机芯设计中，齿轮参数的优化设计是一个组合优化问题，很难用传统优化方法解决。

A miniature horological machine tool is designed.

设计了一台小型钟表机床,通过采用“嵌入式”三维精密工作台和铰链机构、齿形同步带、变频调速器等装置,使得机床整体结构紧凑、尺寸小,而且便于协调控制。

This paper introduced the current state and research progress of the domestic and foreign clock gears,and analyzed the main problems of the present clock gear driving.

本文介绍了国内外钟表齿轮的现状及研究进展,分析了钟表齿轮传动的要求,探讨了当今钟表齿轮传动存在的主要问题,最后提出了一种新的满足大规模制造、成本较低、性能优越的钟表齿轮齿形—双压力角渐开线齿形。

Aim To study the influence of the acceleration and the joggling factor between the pallet and the escape wheels on the timing characteristics of the clock mechanisms with unturned escapement.

目的　研究起动加速度ａ０ 和卡摆与擒纵轮间的啮合传动常数ｐ 对钟表机构走时特性的影响； 方法　把数学模型和动力学仿真软件相结合，模拟真实条件，研究无返回力矩钟表机构的延时特性；结果　ｐ 和ａ０ 的大小对钟表机构延时特性存在决定性的影响；结论　ｐ 和ａ０ 的合理取值可以大大提高钟表机构延时设计的效率

Be three minutes out

(钟表)相差(快慢)三分钟

chronometer time plus watch time

天文钟时间加钟表时间

chronometer time minus watch time

天文钟时间减钟表时间

One who practices or is skilled in horology.

钟表专家进行钟表制造或精于钟表制造的人

dial ,clock or watch (incl. for clocks with watch movements)

钟表（包括装有表机芯的钟）表盘

horological industry

钟表[计时器]工业

hand ,clock or watch (incl. for clocks with watch movements)

钟表（包括装有表机芯的钟）的指针

The art of making timepieces.

钟表制造术制造钟表的工艺技术

indicate a certain time by striking, of clocks.

通过敲钟显示时间，指钟表。

(of a clock or watch)go slow and then stop

（指钟表）慢下来后停住.

single turn made in winding

（钟表的）上一圈发条

digital electronic chronometer

数字式电子精密钟表

He's gone to the clock hospital.

他到钟表修理店去了。

makes or repairs watches.

制造或修理钟表的人。

motion work for clocks or watches

钟表的辅助装置齿轮组

brush for watchmakers' or jewelers' lathes

钟表或珠宝车床用刷

he counted the ticks of the clock.

他计算了钟表的滴嗒声。

took the clock apart piece By piece.

一点一点地把钟表拆开