在这一阶段里，网络给他们的生活、学习带来很多便利性，同时也影响着他们尚未完全形成的道德观念、价值取向、思维模式等。
In this period, network brings in much convenience in their life and study, and also exerts much influence upon their developing views of morality, values and thinking way.
冷战后，国际安全形势发生了前所未有的转折性变化。
After the Cold War, a transitional change had happened in the international security.
在第二部分第一篇论文中，我们系统研究了二维非交换李代数及其全形的可解性、完备性与非半单性等性质。
In the first paper of the second part , it studies two dimensional noncommutative Lie algebra and its solvability, completeness and nonsemisimplicity and so on .
中国周边地区的安全形势与结构正在经历重要的历史性调整。
The situations and structure of security in China's neighborhood are going through important historical adjustments.
传统的被动防护已不能适应当前的安全形势，主动性网络安全检测评估理论应运而生。
The traditional passive defense can not meet the current security situation, so proactive network security test and evaluation theory emerges as The Times require.
这种思想初步形成于战国时期，经过秦代这一过渡性阶段，在西汉前期完全形成。
It originated from the Warring states, developed in Qin Dynasty and matured in the early part of west Han Dynasty.
我国的粮食安全形势不容乐观，现在是和平时期，我们可以进口粮食，如果发生战争或者世界性的饥荒我们怎么办。
The grain security situation is not very optimistic. We are now in an era of peace, we can import grain, but what will we do if a war or worldwide famine breaks out?
我国的粮食安全形势不容乐观，现在是和平时期，我们可以进口粮食，如果发生战争或者世界性的饥荒我们怎么办。
The grain security situation is not very optimistic. We are now in an era of peace, we can import grain, but what will we do if a war or worldwide famine breaks out?
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