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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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准直器的子元件

Medical devices; Radiology equipment

位於龍門,包括可獨立地移動它們各自的軸沿控制欄位的大小,以及用於光束整形的多葉准 (MLC) 的 X 和 Y 的下顎。

准直器旋轉

Medical devices; Radiology equipment

要對齊梁光圈形成的准直器頜骨腫瘤治療頭的旋轉。准直器旋轉運動電機將導致所有准直專案 (剛果解放運動、 配件和頜骨) 光束進行旋轉。 ...

准直器節點

Medical devices; Radiology equipment

包括准直器、 剛果解放運動和下巴的准直子系統。

准直器

Medical devices; Radiology equipment

輻射衰減材料與一個或多個固定的或可移動的孔徑的塊。在 Clinac 的治療頭部准定義處理領域和限制的輻射角蔓延。

准直

Medical devices; Radiology equipment

限制的輻射區域。使平行 ; 調整過境成直線。

Medical devices; Radiology equipment

舊的詞彙表,依法 (取決於上下文這可能也是"Bundansatz"(他們離譜的不要說哪種情況下,雖然)

標準測試條件 (STC)

Energy; Solar power

下一個模組通常在實驗室測試的條件。

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