local norm
... local minimum 局部极小 local norm 地区常模 local optimum 局部最优 ...
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上海地区常模 shanghai norm
·2,447,543篇论文数据，部分数据来源于NoteExpress
方法采用SCL - 90、EPQ，随机抽取东北地区四个城市470名民工进行调查，并与国内常模进行比较。
Methods By the SCL-90 and EPQ, a sample of 470 peasant workers selected from four northeastern cities at random were tested and compared to usual models.
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