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。
The peak shaving parameter limit is important to the choice of heating system capability, and is relate to heat load distributing and economic question.
调峰的参数界限是供暖系统装机容量选择的重要参数，关系到系统运行时的负荷分布与经济性。
Liquefied natural gas has important role in the ocean transportation of natural gas, use of natural gas in remote gas field and peak shaving of city fuel gas system peak shaving.
液化天然气在天然气的远洋运输，边远气田气体的利用以及城市燃气调峰中起到了重要的作用。
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