在15世纪早期，人们发明了螺旋弹簧或均力圆锥轮，尽管它的主弹簧的张力不断变化，但仍能对计时装置的齿轮保持恒定的力。
In the early 1400s came the invention of the coiled spring or fusee which maintained constant force to the gear wheels of the timekeeper despite the changing tension of its mainspring.
传真机记录器中计时装置不准确。
当代的经典产品，永久的计时装置——铁达时。
欲先将样办置于燃烧炉柜内，设置自动计时装置。
Prior to introducing the specimen and holder into the cabinet, set both electrical switches for automatic timing.
我一拉绳子。，苹果就会往下掉，计时装置，也就会启动。
And the time... the moment that I pull this string the apple will fall, the contact will open, the clock will start.
此数字钟是一个将“时”、“分”、“秒”显示于人的视觉器官的计时装置。
This digital clock is a time-device, which can display "hour", "minute", "second".
本文给出了在刚体转动惯量的测定中测定时间的计时装置，减小了计量时间所带来的误差。
A time set in the measurement of solid rotating inertia is introduced and errors in timing are reduced.
同时采用数码管led和LCD液晶显示器动态显示“时”，“分”，“秒”的现代计时装置。
At the same time the use of digital control LED and LCD LCD dynamic display "when", "sub", "second" modern timing devices.
一个新的计时装置钟取代了旧装置，而古典的大笨钟声音也被转成一种模拟同样音乐的电子装置。
A new clockwork replaces the old one and the sounds of Big Ben have been transferred into an electronic movement that mimics exactly the same chords.
采用倒计时装置，时间控制和激光功率显示精度高，对病人进行激光治疗的剂量控制既方便又精确。
Because reverse time set is used, high precision of time control and laser power display can be achieved. Therefore, we can exactly control the "dosage" on the patient.
因而应谨慎采用机动车交通信号灯倒计时装置，并应辅以绿灯间隔时间调整、交通安全宣传教育和明确交通规则等措施。
So, the timing signal should be set cautiously with the aid of other measures such as adjusting the interval duration, propaganda of traffic safety and rules.
欧米茄的声誉在这件事上可见一斑：国际奥委会（IOC）要求该公司为即将在该年举行的洛杉矶奥运会供应所有的体育计时装置。
OMEGA's reputation was such that the International Olympic Committee (IOC) asked the firm to supply all sports timing devices for use at the Olympic Games to be held that year in Los Angeles.
欧米茄的声誉在这件事上可见一斑：国际奥委会（IOC）要求该公司为即将在该年举行的洛杉矶奥运会供应所有的体育计时装置。
OMEGA's reputation was such that the International Olympic Committee (IOC) asked the firm to supply all sports timing devices for use at the Olympic Games to be held that year in Los Angeles.
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