The time-of-flight ranging system may be applied to not only entry security systems but also to tracking systems such as systems for tracking toddlers, personnel and equipment.

飞行时间测距系统可以不仅应用到进入安全系 统而且可以应用到跟踪系统，例如跟踪初学走路的小孩、人和设备 的系统。

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Wait in a line for tickets, security check and entry.

排队买票、安检和入场。

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In the form which opens, just change any entry to create the element security cube.

在打开的表单中，可以更改任何条目来创建元素安全性多维数据集。

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From the main road to the front door, the area surrounding the property is lined with paver stone and protected by a gated entry and security system.

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Instead, they are buying stripped-down entry level vehicles with weak security features in models like the Volkswagen Gol, Fiat Palio and the Chevrolet Celta.

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Mr Islam said the decision to deny him entry on grounds of national security was "very serious and wholly unfounded" and he wants an explanation.

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