因此，时间和时间的相对性可以用任何沙漏、闹钟或原子钟来测量，其中原子钟可测量出十亿分之一秒。
Thus time and time's relativity are measurable by any hourglass, alarm clock, or atomic clock that can measure a billionth of a second.
在这个原子钟的装置里，它们还是太不稳定了，不能靠自身确保时间。
At the esoteric edge of the timekeeper's craft, they are too wobbly to keep time by themselves.
他还相信这项工作最终会有重大的实际应用，比如改进原子钟——只要是那些设备依靠干涉仪的话。
He also believes that the work could ultimately have significant practical applications, such as improving atomic clocks, given that such devices rely on interferometers.
这一获得诺贝尔奖的发现产生了铯原子钟和氢微波激射器。
His discoveries, which won him the Nobel prize, led to the caesium atomic clock and the hydrogen maser.
科学家们于1949年制作了第一台原子钟。
两个实验的重点是量子铝原子钟，它利用单一铝离子的震荡来精准测量时间的流逝。
The key to both experiments is the quantum logic atomic clock, which USES the oscillation of a single aluminium ion to maintain precise timing.
此实验对下一代“原子钟”的产生是重要的一步，下一代“原子钟”将是基于光频而不再是微波频率。
The experiments are a significant step toward next-generation "atomic clocks" based on optical rather than microwave frequencies.
它们还使光学原子钟的建立成为了可能，预计比当今最好的计时系统还要精确100倍。
They also are making it possible to build optical atomic clocks, expected to be as much as 100 times more accurate than today's best time-keeping systems.
此外，美国国家航空航天局（下文简称NASA）还计划测试一个完整尺寸的太阳帆，为航天器提供绿色推进能源，以及测试一个深空原子钟。
NASA plans to test a full-size solar sail for chemical-free propulsion and a deep space atomic clock.
光学原子钟振动的速度快得多，大约每秒500万亿次，因此把时间分成了更小的单元。
Optical atomic clocks oscillate much faster, at about 500, 000 billion cycles per second, and thus divide time into smaller units.
量子计算能使未来原子钟更精确。
Quantum calculations can make atomic clocks of the future far more accurate.
SELEXGalileo公司今天推出Galileo星座，该星座是世界上最先进的卫星导航系统，卫星上将装备SELEX Galileo公司的PHM原子钟。
The European Space Agency's Galileo constellation - the world's most sophisticated satellite navigation system which was launched today - will have SELEX Galileo's PHM atomic clocks on board.
经过周三闰秒之后，全世界的高技术原子钟将再次与地球自转保持同步。
Wednesday's extra second will bring the world's high-tech atomic clocks back into sync with time as defined by Earth's rotation.
本周三晚23点59分59秒(美国东部时间早6点59分59秒)，全世界所有的原子钟会把这一天拨慢一秒。
Eastern time, atomic clocks around the world will add one second to the day.
另一项研究显示，当把原子钟用于火箭，发射到离地面1万公里以上的高空时，由于那里的地球引力场较弱，而略微有所加快。
Another showed that an atomic clock sped up when launched on a rocket 10,000 kilometres above Earth's surface, where the planet's gravitational field is weaker.
这些原子钟是全球计时的标准。
在位于华盛顿的美国海军天文台，这里最新的原子钟首次得到了一个拥有空调的专用房间。
At the US Naval Observatory in Washington, its newest atomic clock is getting a climate-controlled room of its own for the first time.
卫星携带的原子钟必须和地面的运行速度不一样，因为那里的重力更强。
These carry atomic clocks that have to run at a different speed to those on the ground because gravity is greater there.
对于较大的原子钟而言，当前的方法是以测量带电原子或离子发出的微波干涉方法确定一秒种的长度。
As for larger atomic clocks, current models measure the interaction of microwaves with electrically charged atoms, or ions, to measure one second.
这些原子钟的时间是协调世界时(utc)的基础，在1972年协调世界时开始成为全球商务活动的依据。
These clocks are the basis for Coordinated Universal Time (UTC), which in 1972 became the basis for global commerce.
这是通过，用一个非常宽的频率梳的两个部分测量一个已知的精确的原子钟频率，然后比较两者测量的结果来实现的。
This involves taking two measurements from different parts of a very broad comb and comparing the results to precisely known frequencies of an atomic clock.
通过观察这个汞原子钟是如何工作的将奠定目前所有中性原子晶格钟的基础。
A look at how the record-setting mercury clock would work reveals the basics of all contemporary neutral-atom lattice clocks.
对原子变热会如何膨胀的新计算，能有效提高下一代原子钟准确度10倍。
New calculations of how atoms swell when they're warmed up can help make the next generation of atomic clocks 10 times more precise.
这是替代解决办法，以同步与原子钟使用的NTP和互联网。
It is alternative solution to synchronizing with atomic clock using NTP and Internet.
这样芯片大小的原子钟即使在全球定位系统被阻断的情况下也能继续使用，如此这般，原子表在深入地下或水中时尤其有用。
A CSAC clock continues to function when GPS signals are blocked, making it incredibly useful deep underground or underwater.
两位研究者就可以以10的16次方分之一的精度反复核对时间，这证明这样的原子钟可以通过电学和光学电路连接起来。
The two researchers were able to cross-check the time to an accuracy of one in 1016, an exercise proving that such clocks can be interlinked over electronic and optical circuits.
“恩，小邓现在几点了啊？”，“哦，我刚才看了篇文章，非常有意思，是关于色原子钟，闰秒，还有的公历的历史…”。
Well, that's kind of interesting, because I just happened to be reading an article on cesium clocks and leap seconds and the history of the Gregorian Calendar and.
NIST的物理学家JamesBergquist指出，原子钟出现后不久就有了利用卫星星座进行导航的思想。
NIST physicist James Bergquist notes that the idea of using a constellation of satellites for navigation came up only after atomic clocks were developed.
原子钟(Atomic Clocks)表明重力能减慢时间。
原子钟(Atomic Clocks)表明重力能减慢时间。
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