双方向通信

そうほうこうつうしん

noun

•

bidirectional communication(computer term)

双	pair, set, comparison, counter for pairs
方	direction, person, alternative
向	yonder, facing, beyond, confront, defy, tend toward, approach
通	traffic, pass through, avenue, commute, counter for letters, notes, documents, etc.
信	faith, truth, fidelity, trust