您要查找的是不是：
- economic spectrum utilization 频谱有效利用
- QAM at a fixed point-to-point digital microwave systems in the wider application, it has a very high frequency spectrum utilization. QAM在固定的点对点数字微波系统中应用较广泛，它具有很高的频谱利用率。
- The simulation results show that the pulse designed by this algorithm can perfectly meet the requirement of FCC emission mask and has higher spectrum utilization efficiency. 仿真结果表明该算法设计的脉冲不仅能很好地满足FCC辐射掩模的要求，而且具有较好的频谱利用率。
- The simulation results reveal that MB-DSM scheme not only improves the spectrum utilization and the operator’s profit, but also mitigates effectively the interference between wireless networks. 仿真结果表明，该频谱管理机制提高了频谱利用率以及运营商的收益，并有效地抑制了系统间的干扰。
- effective gain in spectrum utilization 频谱利用有效增益
- the worldwide leaf economic spectrum 全球叶片经济型谱
- spectrum utilization characteristics [电] 光谱利用特性
- spectrum utilization characteristic 频谱利用特性
- He has been an unsung hero of the country's economic growth. 他是使这个国家经济成长的无名英雄。
- Mother works economic advantages accrue. 母亲工作时经济收入增加了。
- They had led the country into economic disaster. 他们把国家带入了经济灾难中。
- Do you know the economic policy of this year? 你知道今年的经济政策吗？
- Economic depression often follows war. 经济不景气常因战争所致。
- The country is in a bad economic state. 这个国家的经济情况很差。
- The lecture bore down on economic causes. 那次演讲着重论述经济方面的原因。
- The book will open up to readers new vistas on economic thinking. 这本书将为读者展现经济思想的新远景。
- They are faced with slippery economic problems. 他们面临棘手的经济问题。
- The economic situation is now different. 现在经济形势不同了。
- Economic recovery is supposedly getting underway. 经济据称正在恢复中。
- They are thrashing out a new economic policy. 他们正在研究制定一个新的经济政策。
