It includes a number of optimizations that minimize memory bandwidth and therefore make it ideal for smaller, portable devices.

它包含了很多的优化，可最小化内存带宽，因而更适合于小型的便携设备。

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PHP also offers a number of well-defined APIs for features such as XML transforms and on-the-fly generation of images and Adobe Portable Document Format (PDF) files.

PHP还提供了许多定义良好的API，用于xml转换之类的功能，以及图像和Adobe可移植文档格式(Portable Document Format, PDF)文件的实时生成。

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Assembly programs are not at all portable and are often cumbersome to maintain and understand, and can often contain a large number of lines of code.

汇编程序不可移植，维护和理解常常比较麻烦，通常包含大量代码行。

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An important milestone in the next 12 months will be when for the first time the number of internet-connected portable devices is expected to exceed that of web-enabled personal computers.

BBC: Tech in 2012: The BBC's most read stories of the year

Eighty-five million smart phones will be sold this year with GPS built in, eight times the number of in-car and portable navigation devices.

FORBES: Magazine Article

Huaqi claims that Aigo is China's biggest-selling make of MP3 player, as well as the leader in mobile storage (memory sticks and portable hard drives) and number four or five in digital cameras.

ECONOMIST: How one Chinese company is making a name for itself