女,16岁,左小腿上段肿胀疼痛半年,近1个月来肿胀明显,夜间痛明显,查体:左胫骨上端肿胀严重,压痛明显,浅静脉怒张,扪及一6cm~7cm硬性肿块,固定,边界不清,X线片示左胫骨上段呈虫蚀状溶骨性破坏,骨膜反应明显,可见Codman三角。最可能的诊断是()。
A. 左胫骨慢性骨髓炎
B. 左胫骨软骨肉瘤
C. 左胫骨骨巨细胞瘤恶变
D. 左胫骨骨软骨瘤恶变
E. 左胫骨骨肉瘤
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物料的质量标准一般应当包括:物料的基本信息;取样、检验方法或相关操作规程编号;定性和定量的限度要求;();()。
在我们很小的时候,就明白了“热胀冷缩”的道理;但是有一种很特别的物质却并不遵循这个道理,那就是水,有时候它是“冷胀热缩”。经过多次的实验得出结论:当水结成冰时,其体积会增长1/11,以这个为参考,你知道如果冰融化成水时,其体积会减少多少吗?
Company.com is adding HACMP to an existing pair of nodes. One node is using EtherChannel with only one adapter. The other node is using regular Ethernet connection to the switch. The customer is going to increase the number of network interfaces to two for each node. What other considerations need to be addressed in a HACMP environment?()
Al interfaces used for HACMP heartbeats must be identical. Differences in the interfaces will cause heartbeat failure.
B. The network interfaces should all be configured with the same frame type. The use of regular Ethernet frames is mandatory.
C. Network interfaces for HACMP must be all the same,Ethernet or 802.3. It does not matter which,as long as they are all the same.
D. HACMP can use any network interface supported by AIThe options on the various interfaces are masked by the Ethernet switch and do not affect HACM
根据美国风湿病学会1982年提出的系统性红斑狼疮诊断分类标准,我国风湿病学会在结合本国情况提出了我国的13项修订方案,凡符合其中________条或________条以上者即可确诊。