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Pboc officials couldn 't be reached for comment thursday .

周四记者无法联系中国央行官员就此置评。

The pboc 's last rate rise was in july .

中国央行上一次提高利率是在7月份。

Pboc officials didn 't respond to emails requesting comment .

中国央行官员没有回应要求置评的电子邮件。

Pboc officials couldn 't immediately be reached .

记者暂未联系到中国央行官员。

As the pboc tightened monetary policy in 2006 and 2007 , renminbi appreciation was significant .

中国央行2006年和2007年收紧货币政策时，人民币曾大幅升值。