A leap second is added in order to keep UTC within 0.9 seconds of observed astronomical time.
添加闰秒是为了将UTC保持在观察到的天文时间的0.9秒范围内。
In practice, though, many people will be watching the television or an analogue clock, and will not notice the leap second at all.
实际上，到那时候大多数人都在看电视或盯着模拟时钟，那他们就不会注意到有闰秒了。
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。
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。
"A leap second does cause considerable problems for many systems that require it to be applied simultaneously in a large number of places," said Whibberley.
韦博利说：“因为‘闰秒’工作要求在许多地区同时进行，这可能会给许多系统带来麻烦。”
This is more of an issue in the far east, where the leap second occurs in the middle of the day, and when one is inserted at the end of June and hence often on a working day.
这在远东地区更成问题，在那些地区，闰秒发生在一天的中间时段。
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。
A leap second is an extra second added to the last day of the month of March, June, October or December which means that the last minute in the day for that month has more than 60 seconds.
闰秒是向3、6、10或12月的最后一天添加的1秒，这意味着该月份的最后一天的最后一分钟不止60秒。
To make matters more complicated, stock exchanges are approaching the leap second differently, with Asian markets planning to trade as normal, while US exchanges are expected to stop activityearly.
股票交易市场处理闰秒的不同策略更是忙中添乱，因为亚洲市场打算正常交易，而美国市场则计划提前停止交易活动。 。
Just when I opened my MSN, a news came out which said, "2008 is the longest year of this century, it has 366 days and 1 second". 2008 is such a special year which has a leap year and a leap second.
MSN刚打开，弹出的一条新闻就引起了我的关注，“2008成世纪最长年366天零1秒”。2008年是闰年，共有366天，2008年同时又闰秒，比正常年份多了1秒，因此“两闰”加起来就有366天零1秒。
The second phase of Leap-X testing focused on the compressor. Picture: CFM International
Leap-X的第二阶段的测试主要为压气机。
The biggest leap will be in Japan, the world’s second-largest life market, in which Alico is a top-tier competitor.
MetLife的业务飞跃最大之地将会是日本这个全球第二大寿险市场，因为在日本，Alico已是一个顶级竞争者。
Second, during the three leap - forwards, Zhuanzhu functions as a transformational mean which transforms the old formation of Chinese characters into a new one.
第二、在汉字形构法从象形到会意，从会意到形声的三次飞跃中，“转注”在其中起着将旧的构形法转换成新的构形法的变易转换作用。
PCV system will be a mixture of leaking into the crankcase leap into air intake system in the combustion chamber, then a second combustion.
PCV系统将窜漏进曲轴箱的混合气引入进气系统，然后在燃烧室内进行二次燃烧。
The first leap was from empirical management to scientific one, while the second from scientific management to humanistic one.
第一次是经验管理向科学管理的飞跃，第二次是科学管理向人文管理的飞跃。
Jenner Edward, an Enligh doctor improved the vaccination to cowpox vaccination, and accomplished the second leap of vaccination.
在医生琴纳的研究下把人痘术改进成牛痘术，实现了种痘术的第二次飞跃。
Through re-practice and enrichment of connotations of such mode, the second leap is sure to come about.
通过再实践，人才培养模式的内涵正在不断丰富，将出现第二次飞跃。
Guo Zhenfu figured that the competitiveness of Zhengzhou Nissan will leap into a new level after the launch of NV200 and beginning of operation of the second factory.
郭振甫表示，随着NV200的上市及第二工厂的建成投产，郑州日产企业竞争力将跃升至全新高度。
The application of a large number of steel products is the second leap in civil engineering.
钢材的大量应用是土木工程的第二次飞跃。
Through a survey this paper holds that the large household pattern of agricultural operation is the ideal path for the Second Leap in the Chinese agriculture.
通过调查研究认为，农业大户经营方式是推进农业第二个飞跃的理想路径。
This paper is concerned with the philosophy in On English Learning Strategies , that is, "the second leap"is its main concern;
文秋芳教授所著《英语学习策略论》中的哲学内蕴有三，“第二次飞跃”是这部著作的宗旨；
This period might be described as the extension of the first leap and preparations for the second.
其特征，可以概括为第一次飞跃的延伸与第二次飞跃的准备。
The second leap was enabled by paper which popularized letters and enhanced the ability of literal communication;
纸的产生推动了文字的普及、提高了文字传播的能力，实现了个人表达传播的第二次飞跃；
This paper is concerned with the philosophy in On English Learning Strategies , that is, "the second leap"is its main concern; "relation"is the main thread through it;
文秋芳教授所著《英语学习策略论》中的哲学内蕴有三，“第二次飞跃”是这部著作的宗旨；
Second, in the confusion of the time rhythm brought by the great change of world, perhaps leap month is a kind of remedy and balance of time, it is physical, and it is physiological and mental;
其二，在世界巨变带来的时间节奏的混乱中，闰月或许是一种矫正和平衡，是物理的，亦是生理和心理的；
For example the basic date, time, and every second week of features, but also the number of days flat leap automatic compensation.
比如基本的年月日，时分秒和星期功能，而且还有平闰年的天数自动补偿。
For example the basic date, time, and every second week of features, but also the number of days flat leap automatic compensation.
比如基本的年月日，时分秒和星期功能，而且还有平闰年的天数自动补偿。
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