罗源畲族高考考生享受文考总分上加10分的政策
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百度 当天,美国一艘导弹驱逐舰擅自进入中国南海有关岛礁邻近海域。
A unit process is one or more grouped unit operations in a manufacturing system that can be defined and separated from others.
In life-cycle assessment (LCA) and ISO 14040,[1] a unit process is defined as "smallest element considered in the life cycle inventory analysis for which input and output data are quantified".