Diffusion coefficient can be deduced from mata no method using electronic microprobe.采用电子显微探针法,“俣野”数值方法推导出扩散系数.Single aerosol particles inin winter 2004 were analyzed by proton microprobe.采用质子微探针技术,分析单个大气气溶胶颗粒物.Lab sessi...
如果不加限制，城市往往会联合发展成越来越大的集合城市。Cities, if unrestricted, tend to coalesce into bigger and bigger conurbations.数以百计的孩子们被集合起来。The children were assembled in hundreds.全体学生获通知到大礼堂集合。All the students were asked to assemble in the ...