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Some types of the design and the geometric calculation formulas are given.
给出了几种设计方式和几何计算公式。
The experiential formulas of temperature effect on prestressed structures can guide design and construction.
本文提出的预应力结构中考虑温度效应的经验公式，可用于指导设计与施工。
The biconical sampler is an ultra-wideband sampling device. The present paper performs the theoretical analysis, presents the formulas of design and some test results.
双锥取样器是一种超宽频带的取样器件。本文进行了理论分析、给出了设计公式及其某些测试结果。
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