技术的变化正在让工厂和办公更有效率。
Technological change is making factories and offices far more efficient.
科技的变化可能是对环境充满不确定性的一个贡献者，这项技术虽然已经被管理者组织起来，以便更大的效率和效能。
Changing technology may be a contributor to an environment full of uncertainty, although this technology has enabled managers to organize for much greater efficiency and effectiveness.
在物理层技术层面上，具有高频谱效率和功率效率，并能适应环境和业务变化的技术成为研究的热点。
From a physical layer aspect, those techniques feature high frequency and power efficiency, and are able to adapt to changing environments and services, will win in the long run.
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