このシステムは1840年代までは上手く機能した。の英語

This system worked well until the 1840s.

That system has been in operation for over 20 years.

That system has been in operation for over 20 years.

The system is working very well now.

I thought that system was abolished last year.

The posting system was introduced in 1998.

I think this is a great system.

This indicated that the system was well received.

This system is still going on.

The system is not utilized well now.

The system is working well.

This system is still going on.

This system was able to operate for seven years without any problems.

The system is [was] modelled on that in use in America.

He already finished constructing that system.

This new system subsumes the old one

The system was developed by Nakajima Suisan Company.

The system has been in operation since Dec. 7.

The system even works through clothing.

This regulation hasn't changed since 2000.

Something similar to the current system was built.

Our system was successfully restored today.

it's a shambolic system

This song comes down to us from the tenth century.

It will be the first such system to come into practical use.

This system will work well in nine cases out of ten.

This system is already in experimental use in the U.S.

The development of this system is presumed to take 100 man-months.

My tear glands have been loose all my life, but once I passed 40 I became much more easily moved to tears.

This problem has been confirmed in this country since the 80's.