watch English speech 关于手表的英文课件

1、Watch Zhang Tao School of TextilesDont you know watch?A watch is a small timepiece intended to be carried by a person. A wristwatch is designed to be worn on a wrist, attached by a watch strap. It is designed to keep working despite the motions caused by the persons activities.腕表是由一个人佩戴的小的计时器,它的设计是通

2、过表带戴在手腕上,目的是保持工作，而不受人的活动影响。Functions1 Show time 显示时间2 Personal adornment 个人装饰品3 Collectible works of art 收藏品4 Specific functions 特定功能Classification1 Mechanical watch（机械表）Manual mechanical watches (手动机械表)Traditional mechanical watch movements use a spiral spring called a mainspring as a power source.

3、The spring must be rewound periodically by the user by turning the watch crown.Most modern watches are designed to run 40 hours on a winding and thus must be wound daily, but some run for several days and a few have 192-hour mainsprings and are wound weekly.(传统的机械表机芯使用一个螺旋弹簧称为发条作为动力源。弹簧必须定期由用户通过转动表冠

4、倒带。大多数现代腕表的设计每个绕组可运行40小时，因此必须每天上发条，但有些可运行几天或更长时间，并每周上发条便可。）ClassificationAutomatic mechanical watch （自动机械表）Automatic mechanical watch is one that rewinds the mainspring of a mechanical movement by the natural motions of the wearers body.It uses an eccentric weight, called a winding rotor, which rota

5、tes with the movement of the wearers wrist.The back-and-forth motion of the winding rotor couples to a ratchet to wind the mainspring automatically.Self-winding watches usually can also be wound manually to keep them running when not worn or if the wearers wrist motions are inadequate.（自动腕表由穿着者的身体的自

6、然运动倒带机械机芯作为动力，它采用偏心重块，称为一个绕组转子，其与穿用者的腕的运动旋转，绕组转子耦合到背面的往复运动棘轮以自动缠绕主发条，自动上链腕表通常也可以手动上弦，来使手表正常运行，防止佩戴者不戴手表或者手腕运动不足。）3 Smartwatch (智能手表)A smartwatch is a computerized wristwatch with functionality that goes beyond timekeeping.Many run mobile apps , using a mobile operating system. Some smartwatches func

7、tion as portable media players. Some also called watch phones, feature full mobile phone capability. Peripheral devices may include digital cameras, thermometers , accelerometers , altimeters , barometers , compasses , GPS receivers and so on.(智能手表是计算机化的超越计时功能的腕表，许多运行移动应用程序，使用的是手机操作系统,一些智能手表作为便携式媒体播

8、放器，有些也被称为“手表手机”，有全面的手机功能,外围设备可包括数码相机，温度计，加速计，高度计，气压计，罗盘，GPS接收器等等)Classification4 Radio time signal watch （电波表）Radio time signal watches are a type of electronic quartz watch which synchronizes its time with an external time source.(电波表是一种时间与外部时间源同步的电子石英手表。)Classification6 Solar-powered watch （光动能手表）

9、ClassificationFamous WatchVacheron Constantin (江诗丹顿)Rolex (劳力士)Tissot 天梭Titoni 梅花Seagull 海鸥First:the watch should suit your identity. Some suggestionsSecond: choose a type Mechanical watches are typically not as accurate as quartz watches,and they require periodic cleaning by a skilled watchmaker. S

10、ince the 1970s, quartz watches have taken over most of the watch market, and mechanical watches are now mostly a high-end product, purchased for aesthetic reasons, appreciation of their fine craftsmanship,or as a status symbol.（机械手表通常不像石英手表精准，而且需要由熟练的制表师定期清洗。自1970年以来，石英手表已经接管了大部分的钟表市场，而机械手表，现在大多是高端产品，