They define the structure of the input data source and the structure of the output document.

它们定义了输出文件的结构与输入数据源的结构。

youdao

Accepting user input or any other data from an untrusted source is one of the most common risks a PHP developer can take when developing applications.

接受用户输入或来自不受信任来源的任何其他数据是PHP开发人员在开发应用程序时可能承担的最常见风险之一。

youdao

The source (or in this case, sources) of the input data.

输入数据的源(本例中是多个源)。

youdao

Users connect their audio source to the player via analog audio input, and the player compares 15 seconds of waveform data with its internal "FingerPrints" database, matching the song up with its corresponding information from MusicID.

ENGADGET: Nagase TRANSGEAR HMP-100 features local Gracenote DB