RCS (radar Cross Section) is a key factor in designing stealth weapons, so the research of radar targets scattering characteristics has become the foundation of stealth technologies.

雷达散射截面(RCS)是隐身装备外形设计的一项重要指标，研究雷达目标的电磁散射特性已成为目标隐身设计和目标识别的基础。

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The mode dispersion characteristics and cut-off properties of rib waveguide with trapezoidal cross section are investigated.

变换伽辽金法对具有梯形截面脊形光波导的本征模式特性作了分析。

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By means of comprehensive geochemical soil cross section, the authors studied in detail characteristics of supergene geochemical anomalies in the Ertaizi gold_copper orefield.

为查明二台子金铜矿床的表生地球化学异常特征，采用土壤地球化学综合剖面的研究方法，对其进行了详细的分析研究。

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