Once multiple scattering becomes invoved simple formulae such as those just given are inapplicable.一旦涉及到多次散射,刚刚给出的那些简单公式便不再适用了.The classical viscous interaction parameter and experiential formulae are limitative in therm...
All these characters suggest aeolian dunes.这是风成沙丘的特征.This paper simply explained the principle and main reasons to cause aeolian vibration on transmission line.微风振动是高压输电线振动最普遍的形式,同时也是造成输电线路损伤的主要原因.The article analyses na...