(0/) 2008-05-31 16:20:54
中国自主开发的卫星定位和卫星测绘技术在救灾中发挥了非常大的作用
(1/) 2008-05-31 13:06:34
(2/) 2008-05-30 15:06:18
中国并未向日本自卫队提出特殊的邀请 日本解释“自卫队来华”说
(0/) 2008-05-28 19:34:49
(0/) 2008-05-28 19:11:04
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(1/) 2008-05-25 15:26:05
(0/) 2008-05-23 13:06:48
(0/) 2008-05-23 08:47:46
今天看了一个采访,地震预报很困难,现在的观念是:预报不如预防.
(0/) 2008-05-18 17:10:19
(1/) 2008-05-15 17:49:24
1933年中国四川茂县叠溪7.5级大地震——保存最完整的地震遗迹 (图)
(0/) 2008-05-13 09:03:49
已经一天多了,部队还是进入不了震中汶川,为什么?将来怎么打仗!
(0/) 2008-05-13 07:04:34
(0/) 2008-05-03 07:54:23