portable operating system

In PDF, embedded fonts make documents portable so that they can be viewed on any operating system with Adobe Acrobat Reader.

在PDF中，嵌入字体使得文档能够移植，从而可以在安装了Adobe Acrobat Reader的任何系统上查看。

In PDF, embedded fonts make documents portable so that they can be viewed on any operating system with Adobe Acrobat Reader.

在PDF中，嵌入字体使得文档能够移植，从而可以在安装了Adobe Acrobat Reader的任何系统上查看。

The portable gaming industry is worth perhaps$ 25 billion a year, split roughly equally between sales of consoles and games ( from which device makers or operating-system developers earn royalties).

掌机游戏产业一年约值250亿美元，掌机与游戏销售额大致各占一半，设备制造商或操作系统开发商从中赚取专利费。

Android is an operating system based on Linux, and used on portable equipment commonly.

Android是一种以Linux为基础的操作系统，主要用于便携设备。