GB 50348-2018 第6.3.2条
| **** | Camera installation shall meet the field-of-view requirements for the monitored target and shall avoid backlight installation; when backlight installation is unavoidable, measures shall be taken. |
| **** | Camera installation shall meet the field-of-view requirements for the monitored target and shall avoid backlight installation; when backlight installation is unavoidable, measures shall be taken. |
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