aeons of geological history数以亿万年计的地质史The workers skirted the edge of the cliff on a geological survey.工人们沿着崖壁作了一次地质勘察.The mines had been closed down following a geological survey.继一次地质调查之后,这些矿井已被关闭了....
Data and constraints can easily be changed to test theories.信息库中的数据和限制条件可以轻易地改变以检验假设.Are there any moral constraints on politics in Machiavelli's view?在马基维里的观点中是否存在着对政治的道德限制?He is wanting in moral constraints.他缺少道德约...