求翻译：如同第二章所述掌权时的环境背景，随着冷战时代的结束，世界大环境的改变，也使得国家安全的概念出现变革。是什么意思？

As environmental context of the second chapter when Hu Jintao came to power , with the Cold War era , to change the world environment, but also makes the concept of national security appears to change.

As described in Chapter 2, Hu Jintao when power of the environmental background, and as the end of the cold war era, the world changes in the larger environment, and that makes the concept of national security changes.

Is similar to the second chapter of institute to state Hu Jintao to be in power the time environment background, along with cold war era conclusion, world macroenvironment change, also causes the national security the concept to appear the transformation.

As described in the chapter Hu Jintao to power environmental background, with the end of the cold war era, the world changes in the larger environment, which changes the concept of national security.

正在翻译，请等待...