Even double-tapping to zoom in on a section of a Web page has an odd slow motion feel.

甚至双击放大一部分网页都有一点延迟的感觉。

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Zooming on the iPhone is done via two different gestures - pinching and double-tapping.

在iPhone里缩放有两种方法，一种是双击、另一种是捏。

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Equipped with double speed motor, tapping assembly.

配有双速电机，攻丝大会。

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Double tapping on a word reveals its definition, and you've got a choice of ten different language dictionaries.

ENGADGET: Sony Reader Pocket Edition (PRS-350SC) review

Since there's no pinch-to-zoom, you're stuck using the on-screen buttons or double-tapping, which in our experience didn't work as flawlessly as we would've liked.

ENGADGET: Samsung Galaxy Pro review Mobile

Additional features geared towards providing a fun play experience for LEGO builders include double-tapping a part for component information, and a Map feature that allows users to see exactly which part of the model is being worked on.

ENGADGET: Autodesk partners with Lego to create 3D interactive Mindstorm EV3 instructions