A surveillance audit is carried out once a year within the three-year validity period and recertification audit will be conducted at the expiry of the three-year period.
在三年有效期内每年进行一次监督审核，三年到期进行再认证审核。
| 单词 | validity period |
| 释义 |
validity period
英语例句库
A surveillance audit is carried out once a year within the three-year validity period and recertification audit will be conducted at the expiry of the three-year period. 在三年有效期内每年进行一次监督审核，三年到期进行再认证审核。 |
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