20%的数字配合了世界其他范围的研究者的估算，这是关于究竟有多少新能源能成为混合能源的一部分。
The 20 percent figure matches the estimates of other researchers in other parts of the world on how much renewables could become part of the energy mix.
据BCS称，这项研究表明了首次在全世界接入宽带的重要性。它帮助人们跨越了数字鸿沟。
According to BCS, this shows the importance of universal broadband rollouts that can help overcome the digital divide.
更早的统计数字是更低的而且不完善。这项新研究的作者们说它仍可能低估了世界范围内的实际面积范围。
Earlier estimates were much lower but incomplete. The authors of the new study say it may still underestimate the true extent worldwide.
本文主要讨论了世界上流行的数字电视传输系统的组成和关键技术，研究了DVB系统的技术规范和性能特点。
This thesis mainly discusses the key technology and line transmission system of the popular digital TV in the world now, research DVB technical specification and performance characteristic of system.
本文介绍了世界上正在研究和开发的数字全息数据存储技术。
This article presents the digital holographic data storage technology now under development in some countries.
本文介绍了世界上正在研究和开发的数字全息数据存储技术。
This article presents the digital holographic data storage technology now under development in some countries.
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