世代交替

alternation of generations───[生物]世代交替

train a generation───培养一代人

alternative explanation───另一种解释

international cooperation───[经]国际合作

international reputation───国际声望

international condemnation───国际谴责

alternative accommodation───替代性住处

alternative conjunction───替代连词

alternative energies───替代能源；新能源

Before alternation, failures often occurred in the hoist control system of tail water gate in Ankang Hydropower Station, which had impact the normal electricity generation.───安康电站尾水门机电气控制系统在改造前故障时有发生，严重影响电站正常生产，甚至威胁到电站防汛工作的开展。