词汇	週繞
释义	週繞 zhōu rào周围；四周。周绕
随便看	Narrow Beam Adapter narrow beam antenna narrow-beam antenna narrow-beam attenuation narrow beam bathymeter Narrow beam condition narrow-beam condition narrow-beam direction finding narrow beam divergence Narrow Beam Echo Sounder narrow beam equation narrow beam geometry narrow-beam geometry narrow beam injection laser narrow beam linear attenuation coefficient narrow beam panoramic zonography narrow beam projector narrow beam pulse narrow beam radar narrow beam radiation narrow-beam radiation narrow beam radiogoniometer narrow beam scanning radar narrow-beam scanning radar narrow beams of light/sunlight