standard periodical inspection

例句：

1. 1. The company's policy is tofollow the industry standard.
   该公司的政策是遵循行业标准。
2. 2. The new product meets the international standardfor quality.
   新产品符合国际质量标准。
3. 3. Thestandards for testing and certification are stricterthan those of other countries.
   测试和认证的标准比其他国家更严格。