Terms for subject General containing functions

English	Chinese
The PDA,or Personal Digital Assistant, is a kind of wireless, hand-held PC, which functions as everything from a check book organizer to a fax machine. PDA	即个人数字助理，是一种无线手持个人电脑，具有各种功能，从支票簿管理到传真无所不包。
Which systems does a chassis include and what are the main functions of the chassis?	汽车底盘有哪些系统，底盘的功用是哪些？
Your camcorder should have these basic functions: auto focus, playback facility and zoom lens	你的摄像机应该具备以下基本功能：自动聚焦、回放和变焦