Concave key surfaces add to the typing comfort.

下凹的按键表面增加了打字的舒适度。

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Its key surfaces need the precision processing of micron level, and form the thin neck that is only tens of microns thickness.

挠性接头的关键部位要经过微米级精密加工，形成厚度仅几十微米的细颈。

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As an enterprise architecture moves in to SIMM maturity level 4, a selection of key business and technical functions surfaces as candidates for re-usable services.

随着企业架构推进到SIMM成熟度等级4，一些关键的业务和技术功能逐渐进入了可重用服务的考虑范围。

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Unlike other aircraft where the pilot's controls are manually attached to the flaps and rudders, Airbus 330 airliners are equipped with a "fly by wire" system that sends electronic signals from an onboard computer to move key control surfaces.

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