孙庆炎：国际电线电缆行业已经进入几大巨头之间垄断竞争的格局，全球最大的三个电缆制造商为意大利比瑞利（Pirelli）公司、法国耐克森（Nexans）公司和日本住友（Sumitomo）公司。在电线电缆行业，欧洲一直保持着其全球领先的地位。
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位于米兰的比瑞利光纤公司宣布提高收益目标，预计2010年轮胎收入会超过47亿欧元，总收入将达到49亿欧元以上。
The Milan-based company said it’s raising targets, with tire revenue for 2010 now expected at more than 4.7 billion euros and total revenue at more than 4.9 billion euros.
瑞利散射是光的散射，或者电磁辐射，基于比光波长要短很多的粒子。
Rayleigh scattering is the scattering of light, or other electromagnetic radiation, by particles much smaller than the wavelength of the light.
结果表明，饱和土介质中桩对瑞利波的 横向 响应受波的频率、土介质性质、桩—土刚度比等因素的影响。
The Results indicate that the horizontal response of pile to Rayleigh wave is affected by frequency, character of soil medium, pile-soil rigidity ratio.
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