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。
Earlier this year tony clement , the health minister , angrily told his provincial counterparts to “ get off the pot ” and produce a waiting - times guarantee 今年早些时候，加拿大卫生部长托尼?克莱门特就督促各省医疗卫生的负责人做些实事，尽快出台一个等候时间标准。
Co - ordinated universal time : the internationally adopted basis for official time . for all practical purposes , it can be taken to be the same as greenwich mean time 协调世界时：现代所有国家所采用的官方时间标准，在大多数实际用途方面，协调世界时和格林尼治平时无甚分别。
Utc is a stable and even time scale based on the frequency of atomic oscillations in atomic clocks . this is the current international time scale for civil use 协调世界时是以原子钟内的原子振动频率为依据的时间标准，是十分稳定而且均匀的时标，亦是现时国际所采用的民用时间标准。
Evolution equations defined on the point set of time are proposed , subsystems which have their own independent time standards are introduced , and a criterion for judging if consistency conditions emerge in subsystems are gotten as well 把内变量演化方程定义在时间点集上，引入了有自己独立时间标准的子系统结构，给出了在非耦合子系统中一致性条件成立的判别准则
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 . time checking services are provided through the internet , the telephone information enquiry system and local radio stations 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。天文台透过互联网、查询资料电话系统及本地各电台提供授时服务。
