The program saved $11 million in 1988 by substituting generics for brand-name drugs.该计划用非专利药取代品牌药，在1988年节省了1,100万美元。He was substituting for the injured William Wales.他替下了受伤的威廉·威尔士。They were substituting violence for dial...
鲁宾逊咖啡屋里的人正在变少，但也只是渐少而已。The crowd in Robinson's Coffee-House was thinning, but only by degrees.灯塔的光束在渐浓的暮色中清晰可见。The lighthouse beam was quite distinct in the gathering dusk.他们驱车返回华灯初上的希灵汉姆时，暮色渐浓。Dusk was deepening as...
The coherent combination of multi - Hermite - Gaussian beams is proposed to describe the flat - topped beams.提出了用多束厄米高斯光束相干合成产生平顶光束的方法.He has failed to work out a coherent strategy for modernising the service...他未能制定出一条连...