In order to achieve crime prevention lighting request, should use the semi-cylindrical illumination person profession illumination an important evaluating indicator.
为了达到防侵犯照明的要求，应采用半柱面照度做为人行道照明的一个重要评价指标。
In order to achieve crime prevention lighting request, should use the semi-cylindrical illumination person profession illumination an important evaluating indicator.
为了达到防侵犯照明的要求，应采用半柱面照度做为人行道照明的一个重要评价指标。
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