システム理論 だったら
shisutemurirondattara
1. If/when system theory…; If system theory were…
Noun
#287383
1. If/when system theory…; If system theory were…
1. if it's the case
1. system
1. theory
1. automatic lock
2. automatic door-locking system
1. systems
1. geographic information system; GIS
1. not be found
1. filing system