【计】 link exchange
catenary; chain
【医】 chain
road; route; distance; pathway; Rd.; region; way
【法】 route
exchange; interchange; change for; commute; permutation; reciprocation
replacement
【计】 exchange; swap; swapping; switching; transput; X
【医】 chiasmapy; cross-over; crossing-over
【经】 interchange; swap