高度 こうど交通 こうつうシステム

kōdokōtsūshisutemu

1. Not a highly advanced transportation system.

1. Was a highly advanced transportation system.

1. High-level traffic system with/in

1. High-level; Advanced

1. It is not a highly advanced transportation system.

1. It's not a highly advanced transportation system.; It isn't a highly advanced transportation system.

1. Was a highly advanced transportation system.

1. Advanced Traffic System

1. Not an advanced transportation system.; It is not an advanced transportation system.

1. Wasn't a highly advanced transportation system.

1. Highly likely a sophisticated transportation system.; Probably a highly advanced transportation system.

1. Was not a highly advanced transportation system.; Was not an advanced traffic system.

1. Wasn't a highly advanced transportation system.

1. Probably a highly advanced transportation system.

1. Was not a highly advanced transportation system.; Was not an advanced traffic system.

1. If it were a highly efficient transportation system; If it was a highly efficient transportation system

1. If it were a highly advanced transportation system; If it is a highly advanced transportation system

1. If/when advanced transportation systems; If advanced transportation systems exist