他是一位著名的作家。
The network technology, which is still immature among the key technologies of S WR, is also becoming a research hotspot.
而作为软件无线电关键技术之一且仍未被突破的网络技术也正处于研究的热点范畴。
How to define and estimate water resources (WR) remains a problem appealing to hydraulic professionals in China.
水资源量的概念及其计算一直是国内外水利界所关注的问题。
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