partial safety factor for strength of material

例句：

1. 1.The design of the bridge incorporates a partial safety factor to ensure its durability.
   桥梁的设计包含了一个部分安全系数，以确保其耐用性。
2. 2.The manufacturer has introduced a new product with a partial safety factor to improve safety standards.
   制造商推出了一款新产品，具有部分安全系数，以提升安全标准。
3. 3.The engineer calculated the partial safety factor for the load distribution in the structure.
   工程师计算了结构中载荷分布的部分安全系数。