为什么说氧平衡指标是影响水质变化的关键指标？
Which statement about MPLS TE Fast Reroute （FRR） link protection operation is not true？（） ["It requires a next-hop backup tunnel.","The backup tunnel terminates on the same tail-end router as the primary tunnel.","The point of local repair （PLR） swaps the label and pushes the backup label.","The restoration time is expected to be under 50 ms.","The backup tunnel can have associated bandwidth capacity"]
在传统意义上，具有浪漫主义的国家是：（） ["中国","日本","印度","法国"]
常用塑料注射模排气槽的深度是（）mm。 ["0.01～0.02","0.015～0.02","0.01～0.03","0.01～0.04"]
哈耶克的货币非国家化理论主要内容是什么？
1929－1933年的资本主义经济危机首先开始于哪个国家？
