Based on the engineering practice, the composition, function and design of baseband equipment are explained detailedly, a method for measuring the time delay and frequency is introduced.
结合工程实践，从综合基带的设备组成、功能、设计上进行了详细阐述，并介绍了一种时延测量和频率测量的方法。
This paper illustrates the basic means and procedures of material measuring in drawing up engineering cost by introductions of international practice on engineering cost drawing-up.
本文通过对国际社会编制工程造价惯例的介绍，阐明了“实物量法”编制工程造价的基本方法和步骤。
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