The first step is to determine the unit-time reference dose rate .
第一步要确定单位时间参考剂量率。
Especially for first-time home buyers, young white-collar population, the unit price for three rooms, fully meet needs, and make home ownership in one step.
特别是对于首次置业的年轻白领一族来说，三房单位价格适宜，充分满足生活的需要，使置业一步到位。
The improved algorithms can reduce significantly the truncated error of the truncating unit pulse (or step) response time-sequence of the controlled process as the internal model.
改进算法可有效减小截取被控对象时间响应(单位方波或单位阶跃响应)有限序列为内模的截断误差。
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