本协议从签署之日开始有效期两年。
This agreement is effective for two years from the date of signing.
证书有效期两年。
一款设计成只能维持其有效生命周期的绿色手机，两年的有效期到了，它就会散开，以便于回收。
Green mobile phones designed to last only for the length of its functional life cycle, they fall apart for easy recycling after two years are up. [link].
类型认证有效期为两年。
预计饮片有效期为两年。
这些许可证的有效期为两年。
低温考察法试验结果预测，在常温下硼葡萄糖酸钙冲剂的贮存有效期可暂定为两年。
The test results of microtherm method predict that the tentative storage effective time of electuary of Boric acid glucal would be two years in the normal atmospheric temperature.
《北京市工作居住证》有效期限为两年。
The Certificate of Work and Residence in Beijing shall be valid for two years.
一款设计成只能维持其有效生命周期的绿色手机，两年的有效期到了，它就会散开，以便于回收。
Green mobile phones designed to last only for the length of its functional life cycle, they fall apart for easy recycling after two years are up.
在两年有效期内每年进行不低于四次监督审核，两年到期进行再认证审核。
In the effective period, four surveillances should be conducted in every year, and recertification should be conducted when expiration.
在两年有效期内每年进行不低于四次监督审核，两年到期进行再认证审核。
In the effective period, four surveillances should be conducted in every year, and recertification should be conducted when expiration.
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