结果：全部病人都在较短的时间内获得坚强的融合，除2例病人外，其余患侧膝关节功能基本恢复正常。
Results: all patients got solid arthrodesis within a short time. And all except 2 had restored almost normal unilateral knee joint function.
覆盖问题不仅决定着一个无线传感器网络能否正常有效地工作，而且在很大程度上决定了网络的性能、生存时间等，是无线传感器网络的一个基本问题。
Coverage issue not only decides whether a WSN can work effectively or not, but also comes to a decision on function, existence time of the network to a large extent, which is a basic issue in the WSN.
整个替换过程基本无需技术改造现有制冷系统，也没有影响超市的正常运作，节省不少宝贵时间和金钱。
Requiring essentially no technical modifications to the supermarket's existing refrigeration systems, the retrofit took place without interrupting business, saving both precious time and money.
整个替换过程基本无需技术改造现有制冷系统，也没有影响超市的正常运作，节省不少宝贵时间和金钱。
Requiring essentially no technical modifications to the supermarket's existing refrigeration systems, the retrofit took place without interrupting business, saving both precious time and money.
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