不过，即便是移动电话接入，困难依然存在。普及互联网接入所面临的问题那就更多了。
Obstacles remain even to universal mobile access, and beyond that to universal internet access.
还有就是开展和普及网球运动都面临的问题：场地的不足。
There is the development and popularization of tennis all the problems:lack of venue.
网络攻击问题随着网络的普及而日益突出。
With the spread of network, attacks on it are more and more serious.
随着互联网的普及，网络的信息安全问题变得尤为重要。
With the popularization of Internet, the safety of the network information becomes particularly important.
网络应用的普及，必然会带来网络管理上的问题。
The popularity of network applications will certainly bring network management problems.
多点传送协议的问题是它们还不太普及。
The problem with multicast protocols is that they are still not very popular.
随着网络应用的普及，网络安全问题日益突出。
With popularization of network application, the network safety has been becoming apparent.
信息网络技术的应用正日益普及和广泛，网络安全问题也变得日益突出。
With the development of computer network technology, network security problems become more and more prominent.
不过随着网络知识的普及，网络安全问题却越来越严峻。
But with the popularization of network knowledge, network security has become more critical.
不过随着网络知识的普及，网络安全问题却越来越严峻。
But with the popularization of network knowledge, network security has become more critical.
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