| Chinese does not have regula.. |
| 送交者: 广东南蛮 2008月10月05日19:32:11 于 [教育学术] 发送悄悄话 |
| 回 答: It's USDA 由 bid2beat 于 2008-10-05 19:27:21 |
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regulatory system. It is a North American systems applied both in Canada and USA.
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