【计】 远程通信

long-distance relationship

long-distance airplane【航】;long-range aircraft【航】

long-distance transmission line【通信】

long-distance exchange【通信】;toll office【通信】;trunk exchange【通信】

long-distance communication(s)【通信】;long-distance traffic【通信】;long-range communication【通信】

long-distance loop【通信】

long-distance xerography【印刷】

long-distance telegram【通信】