In a traditional atomic clock , atoms are illuminated by microwaves, in the gigahertz frequency range.

The atomic clock is accurate to one millionth of a second.

原子钟计时可以精确到百万分之一秒.

Iran informed the International Atomic Energy Agency in Vienna earlier this week.

伊朗与本周早些时候通知了位于维也纳的国际原子能机构.

Atomic energy will soon be made use of for driving locomotives.

原子能将很快地被用来驱动机车.

What is called atomic energy is actually nuclear energy.

所谓的原子能就是核能.

Atomic energy has been tamed and harnessed for useful work.

原子能已被征服并得到实际利用.

They are getting out some new books on atomic energy this season.

他们这一季出版了好几本关于原子能方面的书.

Utilization of atomic energy for peaceful purposes is still in swaddling clothes.

将原子能用于和平目的尚在萌芽阶段.

We consider the discovery of atomic energy as one of the greatest discoveries of the mankind.

我们认为原了能的发现是人类最伟大的发现之一.

The intensity is determined by a felicitous arrangement of the atomic energy levels.

这一强度取决于原子能级的适当排列.

Submarines are already being powered by atomic energy.

潜水艇现在已经由原子能来驱动了.

Investigation of atomic spectra yields atomic energy levels.

原子光谱的研究能给出原子能级信息.

The reactor was built for tame atomic energy use.

这座反应堆是为原子能的安全使用而建造的.

Atomic energy has been discovered for many years, but so far it has not been widely used in industry or in our daily life.

原子能已发现多年, 但至今仍未广泛用于工业或日常生活方面.

He comprehends atomic energy.

他非常懂得原子能.

Atomic energy powers the submarine.

原子能供给该潜艇动力(该潜艇由原子能推动).

We should take part in the peaceful uses of atomic energy.

我们应该参与原子能的和平应用.

Boron: Semimetallic chemical element, chemical symbol B, atomic number 5.

硼: 半金属的化学元素, 化学符号b, 原子序数5.

Iodine: Nonmetallic chemical element, chemical symbol I, atomic number 53.

碘: 非金属化学元素, 化学符号i, 原子序数53.

Sulfur: Nonmetallic chemical element, chemical symbol S, atomic number 16.

硫: 非金属化学元素, 化学符号S, 原子序数16.

Beryllium : Chemical element , lightest of the alkaline earth metals, chemical symbol Be, atomic number 4.

铍: 碱土金属中最轻的化学元素, 化学符号Be, 原子序数为4.