In the short period since their appearance, netbooks have grown in size and features.

面世后不久，上网本已经在尺寸和特性上有了很大改进。

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They differ quite a bit in downloaded file size, but finding the features at first glance is a little trickier.

这两个发行版的下载文件的大小差别较大，但是很难一眼就看出其中的特性差别。

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But the ability to add features is constrained by a project's size and complexity, and the nature of available documentation.

但是，添加特性的能力受到项目大小和复杂性以及可用文档的性质的限制。

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The largest version features size 9Jx21 wheels on the front axle and size 10.5Jx21 in back.

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Tablets, similarly, are beginning to converge on features, size and form factors, although the tablet category lags smartphones by a couple years.

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Its compact footprint features a full size QWERTY keyboard accompanied by built-in speakers, a microphone, and two USB ports for charging multiple devices simultaneously.

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