Китай стремился сохранить прежнюю с

Китай стремился сохранить прежнюю систему, но при этом постепенно испытать рыночную модель, что бы в случае провала последней, можно было вернутся к старой системе.

Results (English) 1:

China has sought to maintain the previous system, but gradually experience the market model that would last in case of failure, you can return to the old system.

Results (English) 2:

China has sought to maintain the old system, but gradually experience the market model, which would be in the event of failure of the latter, it could return to the old system.

Results (English) 3:

China has sought to retain the old system, but this is gradually to test a market model, that would be in the event of a failure the last, could be to return to the old system.