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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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電子資料交換

Software; Operating systems

束通過電話線或互聯網的兩個公司之間的資料交換標準。EDI 傳輸更大束的資料比可以通過電子郵件傳輸的資料。的 EDI 有效,使用者必須同意對某些格式設置和交換資訊,例如,X.400 ...

枚舉的欄位

Software; Operating systems

其內容從預定義的選項清單中所選的欄位的類型。例如,,您可以從一個清單,其中包括開始,按比例和結束選擇的資源成本的累算的方式的生息在欄位中。 ...

水合物

Personal care products; Skin care

水合物的皮膚,您向其中添加水分。

總帳

Software; Operating systems

登記冊的分類使用會計科目表中列出的帳戶借方和貸方的條目。

身份的生命週期

Software; Operating systems

階段一個身份,從它的構想是直到它被摧毀的時的時間。

最初使用時間

Software; Operating systems

FlexGo 電腦可以使用下載它的第一個資料包 (添加時間) 之前的時間量。

Health care; Women’s health

在調節水量在正文中的使用的一種礦物。鈉也在肌肉的收縮,心跳,和神經衝動的發送中扮演重要的角色,與鉀,一起。鈉是食鹽的成分。 ...

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