【计】 gate level simulator
class; door; gate; gateway; ostium; phylum; school
【计】 gate
【医】 binary division; hili; hilum; hilus; phylum; pore; Pori; porta; portae
portal; porus; pyla
【经】 portal
class; grade; level; o-level; rank; stage; step
【医】 grade
【计】 imitator; simulated program; simulation program
simulation program structure; simulation routine; simulator program