The structural safety class is second class, design working life is 50 years.
建筑结构安全等级二级，设计使用年限为50年。
In the flight to safety, however, investors are overlooking one asset class: cash.
然而，在打金融安全战的时候，投资者忽略了一种资产：现金。
The design safety rank of the slope is second to first class.
设计边坡安全等级为二级至一级。
We recommend that you define a generic class when you want to ensure type safety.
我们建议在需要确保类型安全时定义泛型类。
Introduction to class, system safety, and hazard identification (PDF).
课程介绍，系统安全，和危险确认(PDF)。
To be first class manufacturers of fire safety related products in the world!
成为全球一流的消防安全产品制造商！
To be first class manufacturers of fire safety related products in the world!
成为全球一流的消防安全产品制造商！
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