international atomic time

基本解释

UTC Universal Time Coordinated. This is Greenwich Mean Time, adjusted to be an integral number of seconds different from International Atomic Time.
格林尼治（平均）时坐标。这是格林尼治平均时，被调整到秒的整数值，它异于国际原子时。（参考）
The status of traditional atomic frequency standards and research progress of new atomic frequency standards, as well as new horizontal of international atomic time(TAI) are described.
概述了传统原子频标的现状，以及新型原子频标和国际原子时的研究进展。
Mohamed ElBaradei, the outgoing head of the International Atomic Energy Agency, the UN's nuclear watchdog, said that Iran would not produce a nuclear weapon any time soon.
联合国的核监查机构，国际原子能机构即将卸任的总干事巴拉迪称，伊朗在短期内不会生产核武器。
lucyhi2008.spaces.live.com

Iran was set to resume uranium processing today, the day of the presidential inaugural, but then announced one more delay until early next week, ostensibly to allow the International Atomic Energy Agency time to get its monitoring equipment in place.
NPR: Iran's Leader May Favor a Showdown
In real time, the International Atomic Energy Agency has been updating a terrified international audience about the situation at the Fukushima No. 1 nuclear power plant.
FORBES: Japan Radiation Fears May Outstrip The Real Health Dangers
Tokyo radiation levels are not hazardous to human health at this time following radiation leaks at the Fukushima nuclear power plant, the International Atomic Energy Chief Yukiya Amano told reporters Wednesday.
FORBES: IAEA Chief Off to Japan, Says Tokyo Radiation Levels Not Hazardous

the scientific standard of time based on the SI unit, the second, used by means of atomic clocks and satellites to synchronize the time standards of the major nations ( abbr: TAI)