福氏志贺氏Y变种
Shigella flexneri Y variant
铁路站场图绘制辅助系统
railway line arrangement figure drawing assistant system
铁矿石进口代理制
iron ore importing agent system
铁电制冷循环
ferroelectric refrigeration cycle
铁电埃里克森制冷机
ferroelectric Ericsson refrigerator
跳火点火制
jump spark igmition system
条件关系律制约关律
law of conditioning relations
条件复制型腺病毒载体
conditional duplicate adenoviral vector