Police arrived by helicopter, and the boy pointed the green laser at the chopper as it flew in, Dougherty said.

军士还谈到，警方动用了直升机，而该少年在直升机降落时仍在用那个绿色激光灯指指点点。

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Police arrived by helicopter, and the boy pointed the green laser at the chopper as it flew in, Dougherty said. The boy was arrested and held in juvenile custody.

军士还谈到，警方动用了直升机，而该少年在直升机降落时仍在用那个绿色激光灯指指点点。依照少年法，警方拘捕了他。

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To land a chopper safely in the dirt requires sophisticated laser scanners to detect obstacles hidden by dust thrown up by the downdraught of the rotors.

为了使直升机在尘土中安全地着陆需要复杂的激光扫描仪去探测被旋翼的倒灌气流扬起的灰尘所隐藏的障碍物。

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The countermove the Pentagon has on order requires affixing under each chopper a 50-pound basketball-size turret that uses a low-power laser to jam and deflect incoming missiles.

FORBES: Light Warfare