演绎者，是专业领域的高级专家。
信息方法指什么？
快递业务经营许可证的有效期是多长时间？
线路大跨度在恶劣气象条件下，导线弧垂最低点的最大应力，均应按不超过抗拉强度的（）脸算。 ["90%","80%","70%","60%"]
You are the Cisco Network Designer in Cisco.com. You are designing an e-Commerce module，which routing statement is correct？（） [" Routing is mostly static."," Hardcoded IP addresses are used to support failover."," Inbound servers use the CSM or ACE as the default gateway."," VLANs between the access layer switches are used for FHRP protocols."]
溶解物质
