earlier-stage work

基本解释

Douglas's father Kirk had played Jack Nicholson's role of protagonist Randle P. McMurphy in the ill-fated stage version of the work several years earlier.
几年前，道格拉斯的父亲柯克·道格拉斯（Kirk Douglas）还曾在命运多舛的剧场版“飞跃疯人院”中扮演了尼科尔森（Jack Nicholson）在电影中所扮演的男主角麦克墨菲（Randle P. McMurphy）的角色。
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In this paper, REMPI-TOFMS is applied to investigate the methane dehydroaromatization reaction, which is the earlier stage work of " the application of combinatorial chemistry in material filed".
本论文采用共振增强多光子电离耦合飞行时间质谱技术考察了甲烷无氧芳构化反应过程，是“组合化学在材料领域的应用”课题研究的前期工作。