Since there is a lack of the researches on performance in SCDMA wireless access network, so the study of the paper is very necessary.

鉴于目前有关SCD ma无线接入系统性能分析的文献资料并不多，因此本文所做的工作十分有意义。

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From family with school to see, lack to the right leading of high school student's Internet access with to network safety and network morals education.

从家庭和学校来看，缺乏对中学生上网的正确引导和对网络安全与网络道德教育。

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Other providers of internet services, such as AOL, have complained bitterly that they are not able to offer the services customers want because of the lack of access to BT's local network.

BBC: BT forced to open network

McBride thinks the lack of access to NFL Network in much of Los Angeles is particularly detrimental to the league, since the lack of a franchise there increases demand for other games.

FORBES: Next Up For NFL: More Eyeballs