基准代号由连线、字母和（）组成。 ["数字","基准符号、圆圈","弧线","三角形"]
In MPLS networks, what s the benefit of disabling TTL propagation?（） [" To provide a visible extension of MPLS TTL functionality in a non MPLS-enabled domain"," To improve the IGP convergence time"," To hide visibility to the core (provider) routers in the MPLS network"," To provide a visible extension of IP TTL functionality in an MPLS-enabled domai"]
职业倦怠主要是个人原因造成的，不是组织管理的问题。（）
弥散强化
建筑墙体节能工程主要验收的内容包括（）。 ["饰面层","隔热材料","隔汽层","保温材料","主体结构基层"]
亚健康
