The system has functions of automatic weighing with sensors, selectable items, automatic printing bills, historic data storage and statistic, which avoids grey loss in original manual operation.
该系统采用传感器自动测重、项目选择、自动打印单据、历史存储与统计等方式，避免了原手动操作中的灰色损失。
Common methods of urban water needs prediction are experience prediction, statistic analysis, planning estimate, and grey prediction.
城市用水量需求预测常见的方法有经验预测法、统计分析法、规划估算法、灰色预测法。
Common methods of urban water needs prediction are experience prediction, statistic analysis, planning estimate, and grey prediction.
城市用水量需求预测常见的方法有经验预测法、统计分析法、规划估算法、灰色预测法。
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