名词
中文翻译：安全等级
同义词：
['safety level', 'security grade例句：1. The company has set a high safety level for its employees.（该公司为员工设定了较高的安全标准。）']
例句：
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1. The company has set a high safety level for its employees.
该公司为员工设定了较高的安全标准。
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2.The new policy will raise the security level of our country's borders.
新政策将提高我国边境的安全级别。
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3.The government is working to improve the security level of the city.
政府正努力提高该市的安全级别。