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单词 Master clock
释义

Master clock

原声例句
VOA Standard 2014年3月合集

This super organism, there is nothing better than this, this master clock.

这个超级有机体, 没有什么比这更好, 这一主时钟。

VOA Standard 2014年3月合集

Hart says he is intrigued to know how what he calls, this master clock, works.

哈特表示他好奇的想知道他所说的主时钟表现如何。

潘潘

His masterpiece was a master clock he made for his University.

他的杰作是他为他的大学制作的电钟的母钟。

英语百科

Master clock

Master clock (at left) driving several slave clocks in an enthusiast's garage. Note that the third one from the left at the top is a radio-controlled radio clock for reference.The master atomic clock ensemble at the U.S. Naval Observatory in Washington, D.C., which provides the time standard for the U.S. Department of Defense. [1] The rack mounted units in the background are HP 5071A caesium beam clocks. The black units in the foreground are Sigma-Tau MHM-2010 hydrogen maser standards.
Diagram of electric time system used around 1910 to keep time in factories, schools, and other large institutions.  The master clock (bottom center), controlled by a temperature-compensated mercury pendulum, is wired to slave clocks throughout the building.  In addition to wall clocks, it also controls time stamps that are used to stamp documents with the time, and a turret clock used in a clock tower. The

A master clock is a precision clock that provides timing signals to synchronise slave clocks as part of a clock network. Networks of electric clocks connected by wires to a precision master pendulum clock began to be used in institutions like factories, offices, and schools around 1900. Today many radio clocks are synchronised by radio signals or internet connections to a worldwide time system called Coordinated Universal Time (UTC) which is governed by master atomic clocks in many countries.

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更新时间:2025/6/20 7:35:56