Frantic, but holding back tears, she jumped over the median into the confusion of whirling police lights and stopped cars. "Where's my daughter?" she cried.

慌乱之中，她强压着泪水，竟跳上隔离带，迎着让人头晕眼花的警灯和停在路面上的车辆，大喊着“我的女儿呢？”

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But more needs to be done says Chen Shishang founder of Senken Group a maker of police vehicles warning lights sirens and riot gear.

“但是还需要做得更多。”森肯集团的创始人陈世商（音）说。这家企业主要生产警用车辆、报警灯、报警器和防暴设备。

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Enforcement is done using more DSRC beacons at the roadside, and also visually. Coloured lights on the OBU tell police whether a truck is legal.

强制执行将依靠路边的DSRC适配器，OBU上的彩灯将告诉警察车辆是否已缴费。

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Monday, two black vehicles with blue police-style lights pulled up to the plane, which had just been loaded, according to the prosecutor, Ms. Van Wymersch.

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Seven police cars with flashing lights waited outside next to an ambulance.

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Friday's manhunt began first in Watertown, as police dashed down streets with police dogs, flashing lights, searching backyards and knocking on front doors.

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