目的探讨髋臼后壁边缘压缩骨折伴髋关节后脱位的诊断与治疗。
Objective To explore the diagnosis and treatment of marginal compression fractures of acetabular posterior wall with posterior dislocation of hip.
与此同时，它的位置被更热的星系间气体所取代，这些气体来自更远的星系边缘，在被压缩的过程中冷却并流入星系。
Meanwhile, its place is taken by hotter intergalactic gas from farther out on the edge of the galaxy, which cools as it is compressed and flows into the galaxy.
他们可以用掌握国库的权力压缩边缘花销；但是，将拨款完全删除会制造大众的巨大震荡。
They may use the power of the purse to squeeze spending at the margins; but cutting off the money completely would create a huge popular backlash.
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