Volvo has introduced a system called "City Safety" that reduces the chance of low-speed crashes in which the driver fails to brake in time, usually causing a rear-end collision.

沃尔沃（Volvo）也引入了一个名叫“城市安全”的系统，它可以降低因驾驶员未能及时刹车而导致低速撞车的可能性（往往是追尾）。

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At the low end, a ping flood can be used to uncover information covertly, but throttle up the packets being sent to a target or victim so that now, the system will go offline or suffer slowdowns.

对于低级的攻击，ping流可用于偷偷地查找信息，但是如果要截取向目标发送的包，则要求系统离线或停机。

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Low noise, high linearity RF front end circuit is the key of the whole RF receiver system design.

低噪声、高线性度的射频前端设计是整个射频接收机系统电路设计中的关键。

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And Project SHIELD provides fidelity and dynamic range never before available on a portable device, through its custom, bass reflex, tuned port audio system -- with twice the low-frequency output of high-end laptops.

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It adds that the lightweight nature of the system means that apps should run smoothly and offer "optimal battery life" on low-end devices.

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