Pezzo takes tight turn downhill as spectators line the side of track.佩佐下山急转弯,观众站在赛道旁观看.With eleven thousand employees, it's very difficult to keep track of them all.对于一支1.1万人的员工队伍，很难及时了解到所有有人的动态。Dozens of miles of r...
A dichroic violet - blue to gray mineral silicate of magnesium , aluminum , and sometimes iron.一种稀有的红灰色矿物, 由铜、铁 、 锗的硫化物组成.The combined pump light is received by the optical concentrator 108 through dichroic filter 106.组合...
Conclusion: Total laminectomy destroyed the stability of lumbar spine.结论: 全椎板切除术极大破坏腰椎稳定性.Methods: Discontinous laminectomy and non - trauma incision of spinal ganglion is the main surgical technology.方法: 致压物摘除、神经根节部的无创减...