The feed source details can be provided in the form of a string stored in system memory, via an input file, or as records in a database.
提要源细节可以通过存储在系统内存的字符串的形式，借助一个输入文件或作为数据库中的记录提供。
2
Consider a system that reads and processes a number of input files sent from an external source.
请考虑一个读取并处理发送自某个外部源的很多输入文件的系统。
3
You'll need a system with the capability of processing sound input, preferably from an integrated microphone, although any sound source capable of producing discrete tonal events will suffice.