通信 つうしんシステム

tsūshinshisutemu

1. Not a communication system.

1. Was a communication system.

1. communication system

1. Communication system-related; Communication system's

1. It is not a communication system.

1. It's not a communication system.; It isn't a communication system.

1. Was a communication system.

1. Communication system.

1. Is not a communication system.; It is not a communication system.

1. Wasn't a communication system.

1. Probably a communication system.

1. Was not a communication system.; It wasn't a communication system.

1. Wasn't a communication system.

1. Probably a communication system.; It will likely be a communication system.

1. Was not a communication system.; Was not a communications system.

1. If it were a communication system; If the communication system…

1. If it were a communication system; If the communication system exists

1. If the communication system…; When the communication system…