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Speleology
Speleology (also spelled spelæology or spelaeology) is the scientific study of caves and other karst features, their make-up, structure, physical properties, history, life forms, and the processes by which they form (speleogenesis) and change over time (speleomorphology). The term speleology is also sometimes applied to the recreational activity of exploring caves, but this is more properly known as caving, spelunking or potholing. Speleology and caving are often connected, as the physical skills required for in situ study are the same. Speleology is a cross-disciplinary field that combines the knowledge of chemistry, biology, geology, physics, meteorology and cartography to develop portraits of caves as complex, evolving systems.
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哈馬斯
Law enforcement; Terrorism
激進的伊斯蘭組織設有主要在西岸和加沙地帶的目標是建立巴勒斯坦伊斯蘭國家以色列的位置。一方面,哈馬斯公開運作道閘社會服務,其身份,但其積極分子也進行了很多的攻擊,包括自殺性爆炸,對以色列平民和軍事目標。 ...
遊擊戰爭
Law enforcement; Terrorism
詞是發明的描述西班牙用來抵禦拿破崙,儘管這一戰術本身已得多,再周圍的策略。誇張地說,這意味著"小小的戰爭"。遊擊戰細胞的功能,並利用沒有前線。最古老的非對稱作戰,遊擊戰基於破壞和埋伏,破壞穩定的透過冗長和低強度對抗政府的目的。 ...
地面零點
Law enforcement; Terrorism
自 2001 年 9 月 11 日,直到 1946 年地面零點是點的上面、 下麵或在核爆發生時或中心或來源的快速、 激烈的或暴力活動或更改。2001 年 9 月 11 日,一詞後, 時使用首字母大寫,指在震中的世界貿易中心攻擊地面。 ...