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- Compared with the FDD system, TD-SCDMA adopting TDD, has no need of symmetrical frequency bands for uplink and downlink, and enables flexible and convenient planning and use of increasingly scarce spectrum resources. 与FDD系统相比，TD-SCDMA采用时分双工方式，上下行无需对称频段，可以见缝插针，灵活方便地规划使用日益紧张的频谱资源。
- Frequency Spectrum Resources for CATV Network 有线电视网络的频谱资源
- communication satellite spectrum resources 通信卫星频谱资源
- But the mobile spectrum resource is limited, MAI, CCI and multipath fading are the bottlenecks of improving the mobile communications system performance. 但是移动通信频谱资源日益紧张,多址干扰、共信道干扰以及多径衰落的影响,都成为提高移动通信系统性能的瓶颈。
- With the rising demand ever, the orbital resource and frequency spectrum resource for GSO communication satellite has been almost fully exploited and utilized, by means of cross polarization, multi coverage, and orbital space reduction. 随着通信需求的增长，人们采用极化复用、空间复用和缩小轨位间距等手段，对静止卫星轨位和无线电频谱资源作了接近极限的开发利用。
- How to Make Effective Use of the Satellite Orbits and Spectrum Resources 如何有效利用卫星轨道和频谱资源
- The survey covered a broad spectrum of topic. 这本简史涉及的话题范围很广。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- Our motherland flows with natural resources. 我们祖国蕴藏着丰富的天然资源。
- spectrum resource spectrum requirements 频谱需求
- Paying all the bills is a strain on my resources. 支付所有这些费用是我经济上的一大负担。
- wireless spectrum resource management 无线频谱资源管理
- He has no inner resources and hates being alone. 他没有内在的精神寄托，因而害怕孤独。
- The need to economize scarce energy resources. 节约使用稀有能源的必要性
- That country is poor in natural resources. 那个国家自然资源贫乏。
- Red and violet are at opposite ends of the spectrum. 红色和紫色位于光谱相对的两端。
- The country is abundant in natural resources. 那个国家自然资源丰富。
- It is wrong to misuse our natural resources. 滥用我们的自然资源是不对的。
- Responsible managerial position in human resources. 人力资源方面负责管理的职务。
- Those countries are rich in mineral resources. 那些国家矿物资源很丰富。
