音标与读法

这里为大家介绍下leap second 是什么意思，希望能帮助到各位朋友。

中英文翻译

闰秒〔以原子钟测时每年需加上或减去的一秒钟〕。

leap:vi. (leapt , leaped ) 〔现在除成语 ...second:n. 1.秒 (＝1/60分)；秒(针)。 2.片刻；一 ...a second (as measured by an atomic clock) added to or subtracted from Greenwich Mean Time in order to compensate for slowing in the Earth""s rotation

例句与用法

1.A leap second on the new year s day 7 december 2005

2006年元旦日的闰秒( 2005年12月7日)

2.The first leap second was added on june 30 , 1972 , according to nist

据国家标准与技术协会介绍，第一个闰秒是在1972年6月30日被加入的。

3.Leap seconds are needed because the earth " s spin is slowing down , gradually and unevenly

润秒之所以必要，是因为地球自转逐渐以不规则的速度减缓。

4.Under an international pact , the preference for leap seconds is december 31 or june 30

根据国际公约，一般在12月31日或6月30日在协调世界时中加入或减去闰秒。

5.Deciding when to introduce a leap second is the responsibility of the international earth rotation and reference systems service

国际地球自转服务组织负责决定何时加减闰秒。

6.For one , the leap second occurs in the middle of the day in asia and australia , causing a time hiccup during stock trading

其中一个是，润秒发生在亚洲和澳洲的日间，时间会在货运进行当下“跳针” 。

7.Us scientists want to change the current system , which keeps clocks in synch with solar time by adding a leap second every 18 months or so

美国科学家希望改变现行系统，亦即透过每隔约18个月添增1闰秒，让时钟与太阳时保持一致。

8.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。

9.Scientists are delaying the start of 2006 by the first " leap second " in seven years , a timing tweak meant to make up for changes in the earth " s rotation

科学家们把2006年的到来推迟了一“闰秒” 。此次全世界调时距上次已有7年时间，而调时的主要原因则是地球自转速度的变化。

10.Astronomers , historians and others are upset about the prospect of losing the leap second and have initiated a spirited debate to keep time tied to the earth " s rotation

天文学家、历史学家及其它许多学者，皆对于往后即将废除润秒感到苦恼，并且对于时间配合地球自转的议题，展开热烈的讨论。

单词网DAnCi.583316.cOM