Norad said the pulse dissipated before it left the atmosphere 据防空联合司令部称脉冲在离开大气层前就消失了
The north american aerospace defense command , which normally uses its sophisticated radars to track missiles , has been helping to track santa ' s progress every year since 1955 北美防空联合司令部平时用来追踪导弹的精密的雷达检测系统,自从1955年开始救被用于跟踪圣诞老人的足迹。
Millions of internet users have been logging onto the web site to see the special program , which is made possible through private donations and defense department volunteers 数百万的互联网用户进入这个网站流览这个特别的盛况,这个网站是由个人和北美防空联合司令部的志愿者们捐资建成。
Earlier this year , us president george w bush announced the creation of us africa command ( africom ) : a unified command that will consolidate us military activities on the continent , with the exception of egypt 今年初,美国乔治 w布什总统宣布了美国非洲命令( africom )的创作:在大陆将巩固美国军事活动的一个联合司令部,除埃及之外。
联合: unite; ally司令部: headquarters; command联合司令部司令: president of joint command陆空联合司令部: joint army-air headquarters北美防空联合司令部: north american aerospace defense command独立国家联合体武装力量联合司令部: unified command of the commonwealth of independent states armed forces诸兵种陪合司令部: joint command克罗地亚波黑克族和穆族军队三方联合司令部: tripartite joint military command联合部队司令部: jfcom联合防空司令部: joint air defense headquarters联合国太空司令部: unsc联合作战司令部: united combatant commands联合国军司令部总司令: commander-in-chief united nations command司令部: command staff; headquarters; hq =head quarter; hq美国联合运输司令部: transcom联合国军最高司令官总司令部: supreme commander of the allied powers保安司令部: security preservation headquarters北方司令部: northcom北区司令部: north sector command本土司令部: home command德军司令部: wolfenstein 3d电子司令部: e command; ecommand防空司令部: air defence command (adc); antiaircraft defense headquarters港口司令部: port command海军司令部: commander department of the navy; maritime command; navy headquarters