1. The threat of nuclear escalation remains. 核升级的威胁依然存在。
2. In the second half of the millennium, in the south around the city of Uruk, there was an enormous escalation in the area occupied by permanent settlements. 在这一千年中的下半叶，在乌鲁克城南方附近，被永久定居点占用的地域在大幅增加。
3. The U.S. military wants to avoid the graduated escalation that marked the Vietnam War. 美国军方希望避免类似越南战争那种逐步升级的态势。
4. Escalation data (optional). 调升数据(可选)。
5. Listing 17 Simple process of escalation. 清单17简单流程的上报。
