A metrology instrument, such as a probe, probe head, stylus or stylus arm, for mounting on a coordinate position apparatus.

一种度量仪器，例如探针、探头、触针或者触针支臂，用于安装在坐标定位仪上。

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Remove the arm from its rest, being careful not to damage the stylus tips.

将唱臂丛支架中移出来，但小心不要损坏了唱针。

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They would mostly run Android, sport single-core ARM chips, relatively-short battery life (think 4-5 hours), inferior touchscreens (stylus, anyone?), and often a poor selection of apps (subsets of the Google Android Market or, in the case of e-readers, none at all).

FORBES: Amazon Just Ruined a Huge Portion of the Tablet Market