Full-time study form, system for three years.
全日制学习形式,学制三年。
Allen said a prototype of an early warning system for California earthquakes should be completed in about three years.
艾伦说加利福尼亚地震预警系统的模型将用三年左右的时间来完成。
In Portland, Ore. the downtown library is trying a penalty system for patrons who commit infractions -- banishing them from the library for a day for shaving, three years for fighting.
在波士顿,市中心图书馆试图建立一套针对那些违反规定的顾客的惩戒系统--刮胡子者一天内禁止进入,斗殴者三年。
"We will use the tremendous capabilities of this ion propulsion system to climb out of orbit around Vesta, travel for almost another three years through the asteroid belt to dwarf planet Ceres and then go into orbit around Ceres and undertake the same kind of measurements there that we'll be doing at Vesta.
VOA: special.2011.07.27
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