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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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馬克 McKinney
People; Comedians
馬克 (生於 1959 年 6 月 26 日) 的麥金尼是加拿大喜劇演員和演員,企業最出名的是他在草繪喜劇藝術團的孩子們在大廳裡的工作。的電視系列節目 (1989年至 1995 年) 和劇情片 (腦糖果) 運行之後, 他去星在週六夜現場從 1995 年至 1997 年。從 2003 年到 2006 年,他重,撰寫並出演著名電視電影吊索和箭頭。 ...
甲胎蛋白 (AFP)
Health care; Women’s health
AFP 是胎兒肝臟、 胎兒消化道 (GI) 及卵黃囊在所作的蛋白質。在懷孕期間,進入母親的血液甲胎蛋白十字架。在母親甲胎蛋白水準血可以測量到螢幕的失常等作為神經管缺陷和下綜合征。母親甲胎蛋白水準往往較高如人無腦畸形和脊柱裂,神經管缺陷、 低與唐氏綜合征。 ...