Come on over, we've got lots of the old gang here.过来吧，好多老朋友都在这儿。Come on, Bill. Send Tom a card and make his day.来吧，比尔。给汤姆寄张卡片让他高兴高兴吧。Come on now. You know you must be hungry.好，来吧，你肯定已经饿了。...
The condition of an exchange force has nothing to do with isospin.交换力的条件与同位旋完全无关.Isospin is a vector quantity.同位旋是矢量.The isospin fractionation intermediate ion collisions is studied by using isospin dependence quantum mo...
Age structure is a foundational base to study the population dynamics.年龄结构是研究种群动态的重要基础.Objective To search for triterpene glycoside with new structure.目的:寻找结构新颖的三萜皂苷类化合物.The photosphere has a granular structure.光球还有颗粒结构。...