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保持食物的基本安全和卫生标准。
Maintain basic food safety and sanitation practices.
youdao
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标准化和安全是智能卡应用的基本要求。
Standardization and security are the basic requirements in smart card application.
youdao
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标准化和安全是智能卡应用的基本要求。
Standardization and security are the basic requirements in smart card application.
youdao