A strobe light flashed out the dance floor.

闪光灯闪耀着舞池。

He was asked to press a button every time an irregular strobe light flashed.

按照要求，每当频闪闪光灯无规律地闪光之时，他必须揿下一个按钮。

You'd need arcs or strobe lights for that kind of effect, even in this feeble, fading light.

这就要有弧光灯或者闪光灯，虽然光线已经非常弱。

This optical illusion, called the wagon wheel effect, also can occur in the presence of a strobe light.

这个错觉，被称为“马车轮效应”，也可能发生在有闪光灯的情况下。

No harm to human health. Using the LED as lighting source, the lamps have no strobe light, light on demand.

对人体健康无危害，照明产品光源采用LED发光体，即开即亮无频闪；