Makes prototype machine and experiment, realizes every required function of the system.

制作样机并进行实验。实现系统要求的各项功能。

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Only when the tip of the blade is in a certain Angle with the glass can the required function be realized.

刮片胶条通过弹簧条压向玻璃表面，它的唇口必须与玻璃角度配合一致，方能达到所要求的性能。

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The bus takes responsibility for delivering requests to a service provider offering the required function and QoS.

总线负责将请求交付给提供所需功能和QoS的服务提供者。

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In conjunction with this label update, PAH patients receiving Letairis are no longer required to obtain monthly liver function tests.

FORBES: A Victory For Gilead

The equivalent products (in terms of their basic function, not their quality) would have required 4.64 weeks of work in 1958.

FORBES: The Cost of Health Care: 1958 vs. 2012

The demo required the assistance of an Alienware laptop, and the pinch to zoom function was a little wonky to say the least.

ENGADGET: Hands-on with AT&T Labs prototypes: ShadowPuppets and haptic steering wheel