Bronchial asthma is a chronic inflammatory disorder of the airway in which many cells and cellular elements play a role.

支气管哮喘是一种由多种细胞和细胞组分参与的气道慢性炎症性疾病。

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The cellular elements supply oxygen (RBC), protect against foreign organisms and antigens (white cells), and initiate coagulation (platelets).

血细胞提供氧气(红细胞)，抵御外来微生物和抗原(白细胞)，并启动凝血(血小板)。

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Mesenchymomas are very rare tumors and contain at least two mesenchymal cellular elements not commonly associated Mesenechymomas may be either benign or malignant.

良性间叶瘤少见，至少由两种间叶组织混合构成，分良性和恶性。

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And again, there'll be key elements that run in cycles and understanding those can be extremely important in understanding how cellular function works.

同样地，在循环中也会有,一些关键的要素,研究这些对于理解细胞的,运作机制是极其重要的。

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