关键帧选择策略
key-frame selection strategy
1β-甲基碳青霉烯关键中间体
1 β-methyl carbapenem’s key intermediates
A类关键元部件和材料
A class of critical components and materials
BPM实施关键成功因素
Critical Success Factors for BPM Implementation
B类关键元部件和材料
B class of critical components and materials
G代码关键字函数表
G-code Keyword Function Table