【计】 switching computer port
exchange; interchange; change for; commute; permutation; reciprocation
replacement
【计】 exchange; swap; swapping; switching; transput; X
【医】 chiasmapy; cross-over; crossing-over
【经】 interchange; swap
adding machine; calculating machine; calculator
【计】 brain unit; computer; computing machinery; computor; FONTAC; ILLIAC IV
【经】 calculating machine
【化】 inlet and outlet; passages