结晶初始阶段
Initial stage of crystallization
余热排除初始阶段
initial residual heat removal phase
初期开发阶段
initial development phase
滚动勘探开发阶段
stage of progressive exploration and development
恒速蒸发阶段
evaporation phase at constant speed
阶段发育理论
theory of phasic development
阶段发展系数
developmental coefficient
开发阶段划分
development stage division