英语词汇“spirule”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	spirule
释义	spirule spirule [′spī‚rül] (graphic arts) A plastic device consisting of a protractor and a pivoted arm with a logarithmic spiral, used to add angles between vectors and multiply magnitudes of vectors.
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