Lattice paths counting problem is one of important combinatorial enumerative problems.格路计数问题是组合计数中比较重要的问题之一.Enumerative Algorithm ( EA ) and Mixed Discrete - variables Optimization Design ( MDOD ) are commonly used befor...
By measuring the motion of the galaxies in a cluster, astronomers can infer the cluster's mass.通过测量星系在一个星系团内的运动,天文学家们可以推定这个星系团的质量。They turned their telescopes towards other nearby galaxies...他们把望远镜转向附近其他星系。Space fli...
它非常适合做蛋糕和软布丁的馅儿。It makes a superb filling for cakes and sponges.她所需要做的就是把布丁加热。All that she would have to do was warm up the pudding.咖啡的味道中和了布丁的油腻感。The coffee flavour complemented the richness of the pudding....
These bands must introduce longitudinal asymmetry in the planetary albedo.这些云带必定引起行星反照率的经向不对称性.If the stellar spectrum is known, the albedo of the dust can be obtained.如果恒星的光谱已知, 就可得出尘埃的反照率.Cloudy areas can also be areas...