bn:03581117n
Noun Concept
JA
光無線通信  自由空間光通信  フリースペース・オプティカル・コミュニケーション  レーザー通信  宇宙空間光通信
EN
Free-space optical communication is an optical communication technology that uses light propagating in free space to wirelessly transmit data for telecommunications or computer networking. Wikipedia
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