The people who were demanding China let its currency rise will soon enough be complaining about getting what they asked for. No, wait, they'll be out of office and some new group of putzes will be saying "No one could have predicted it ..."
-- another perspective --
[E]ach seven Yuan purchased will replace one U.S. dollar on the international foreign exchange. Each contract priced in Yuan will replace the previous use of the U.S. dollar in those transactions.