The set function Γ as a useful tool in continua theory was introduced by Bellamy, D.集函数Γ作为连续统理论中的一种有用的工具是由Bellamy, D·P引入的.John Bellamy Foster , " Marx? s Ecology in Historical Perspective ", International Socialism Journ...
On Saturday we fished the River Arno.周六我们在阿尔诺河钓鱼。The Arno would suffice as a river if only it had some water.阿尔诺河要是有些水的话可以称为河流.From Florence the river Arno ran down to Pisa, and then it reached the sea.阿诺河从佛罗伦萨流经比萨入海....
色泽是反射和衍射的综合效果.Lustre is the integral effect of reflection and diffraction.在这种情况下,据说,波发生了衍射.In this case the wave is said to have been diffracted.显然,衍射以及干涉是波特性.Evidently diffraction, as well as interference, is a wave pro...