It needs clever experiments; and such experiments need nifty devices.

它需要精巧的实验；而这样的实验又需要极好的设备。

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This tunnel is, in substance, a simple air flow bench with necessary test devices offering various controlled streams for experiments.

这种风洞实质上是一种简单的气流试验台，它通过配套的设备能为实验提供各种可控制的气流。

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Simulation experiments indicate that the algorithm has the higher detecting accuracy and speed and spends less system resources, and can be embedded into network devices for its simple codes.

通过在计算机上的模拟测试，证明该算法对网络病毒具有较高的检测精度与速度，且运算开销小，代码简单，可以嵌入到网络设备中。

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Its members obsessively track biometric, behavioral and environmental information with smartphone apps and body-monitoring devices, and perform experiments on themselves to try to improve their lives.

FORBES: On The Cover/Top Stories

Sure, there have been experiments in interactive TV -- gadgets like WebTV and modern game consoles are connected devices, and set-top boxes like the Roku and TiVo add connected components -- but most TVs in the US remain blissfully ignorant of the internet.

ENGADGET: Entelligence: The evolution of the TV

But like many market experiments, these suffer from a selection bias problem: Many of the people who want to buy or use these devices are already more environmentally conscious than average.

FORBES: Paying Attention To Energy Use