班斯先生是国家灰狼保护总负责人。当天北落基山狼的联邦保护令将被解除。
Mr Bangs is the government's chief Wolf recovery co-ordinator, and on that day the grey Wolf of the northern Rocky Mountains will lose its federal protection.
解除拴系的手术能够起到减压，保护神经功能和防止发生再次拴系的可能。
Untethering surgery may help decompress and spare functional neural tissue and prevent retethering of the spinal cord.
当公式受保护时，在未解除保护的情况下不能对其进行修改。
When a formula is protected it cannot be modified without being unprotected.
应用推荐