要求码： 这码包含了目标电脑的软硬体资讯，以及需要安装多少产品的要求资讯。
Request code : This code contains information about target computer, number of channels and type of product requested.
了解电脑软硬体架构及应用，并对网际网路和办公室软体有一定程度的认识。
Understanding of computer hardware and software architecture and application. Has the certain extent understanding in view of the Internet and the office software.
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