Antenna measuring is an important method for analysis on its performance, while Radar Cross Section (RCS) measuring has special significance in realm of research on features of target.

天线测量是分析天线性能的一种重要手段。目标的雷达散射截面测量在目标特性研究领域具有重要意义。

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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 large cross-section acoustic horn can transmit more power and higher intensity sound, therefore research on this kind of acoustic horn becomes more and more emergent.

大截面变幅杆能够传输更大功率更高声强的振动能量，因此对这类变幅杆的研究成为迫切需要。

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"I conducted research with a cross-section of imams who work in prisons and none of them were extremists or jihadists - they were in fact very moderate, " he said on BBC One's Breakfast.

BBC: NEWS | UK | Do prisons radicalise inmates?

Although I have not done this research for electric vehicles, I think it would be worth talking to cross-section of 100 potential customers to ask them whether they see an electric vehicle as a cost-effective means of transportation.

FORBES: Is A123 Electric Battery A Waste of $263 Million in Government Funds?

The research was carried out by archaeologists Jim Leary and David Field, who dug a cross-section tunnel into the monument in 2007.

BBC: Prehistoric Silbury Hill 'was built in layers'