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- preliminary time standards 初步时间标准
- A time standard necessary to attend a particular meet or event. 出席特定赛事或比赛所必须的规定时间。
- The Hong Kong Time Standard is provided by a caesium beam atomicclock. Accuracy within fractions of a microsecond a day is maintained. 天文台利用铯原子钟，提供香港的时间标准，该钟误差每日不超过一微秒。
- Time standards set for both short and long course based on previous years'achievements. 无论短池还是长池其时间标准设置都基于先前若干年的成绩。
- The Hong Kong Observatory maintains the Hong Kong time standard and provides time signals for the public. 香港天文台负责维持香港的时间标准,以及提供报时讯号。
- The Observatory also operates the official time standard for Hong Kong, provides basic astronomical information and maintains a seismological monitoring network. 此外，又负责香港标准时间的报时服务、提供基本天文资料和操作地震监测网。
- Of every time standard upgrade or refine, became the proof that people advances to more civilized direction. 每一次标准的升级或细化，都成了人们向更文明的方向进步的证实。
- Since 1999 until recently,the two time standards have been in close enough synch to escape any need to add a leap second,NIST said. 该协会说，从1999年开始到最近几年，原子时和天文时一直处于同步状态，所以不需要增加一个闰秒。
- Since 1999 until recently, the two time standards have been in close enough synch to escape any need to add a leap second, NIST said. 该协会说，从1999年开始到最近几年，原子时和天文时一直处于同步状态，所以不需要增加一个闰秒。
- Time standards for NKR front axle assembly line,JAP,is reset based on MODAPTS, and time unit is reduced,and capability of the line is induced. 从人机工程学的角度分析论证了装配工具、工艺装备等工作条件，对影响工作效率、作业能力的有关因素，采取了相应的对策，使工作条件进一步标准化。
- Achievement is about having the sustained energy and determination in the face of obstacles to set and meet challenging targets, in compliance with quality, time standards. 有持续的精力和毅力,在面临困难的情况下,制订高目标,并保质保量、准时完成工作。
- The Observatory also operates the official time standard for Hong Kong,provides basic astronomical information and maintains a seismological monitoring network. 此外，天文台又负责香港标准时间的报时服务、提供基本天文资料和操作地震监测网。
- The accuracy of the clock is within fractions of a microsecond a day of the international time standard kept by the International Bureau of Weights and Measures in France. 该钟所报时间与位于法国的国际度量衡局所规定的国际时间标准比较,每日相差不超过一微秒。
- But the prospects for it as a widely adopted universal time standard are about as good as the frustrated aspirations for Esperanto to become the world's lingua franca. 当年许多人提倡世界语作人类通用语言，可惜壮志未酬。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- A preliminary draft or record of a transaction. 条约草案合约的预备性的草案或纪录
