引入三个变量：临界屈曲位置、中性面位置和纤维屈曲半波长。

Three variables are considered: critical buckling position, and neutral plane, the fiber buckling half-wavelength.

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两个肺部肉芽肿。典型的肉芽肿由上皮样细胞、巨细胞、淋巴细胞、浆细胞和成纤维细胞组成，也可以有一定量的中性粒细胞。

Here are two pulmonary granulomas. Granulomatous inflammation typically consists of epithelioid macrophages, giant cells, lymphocytes, plasma cells, and fibroblasts. There may be some neutrophils.

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图示：两个肺部肉芽肿。典型的肉芽肿由上皮样细胞、巨细胞、淋巴细胞、浆细胞和成纤维细胞组成，也可以有一定量的中性粒细胞。

Here are two pulmonary granulomas. Granulomatous inflammation typically consists of epithelioid macrophages, giant cells, lymphocytes, plasma cells, and fibroblasts. There may be some neutrophils.

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