安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
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- SIGMOID Definition Meaning - Merriam-Webster
Usually, though, sigmoid is used in contexts relating to the sigmoid colon-the contracted and crooked part of the colon immediately above the rectum Sigmoid comes from sigma, the name of the 18th letter of the Greek alphabet
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