本文从误差的传递着手，严密推证了弓高及弦长测量的标准差取不同值时最佳测量点的位置。

Based on the error theory, we strictly deduce where is the optimum measuring point and when the standard error of arch-height and that of chord - length are both defined in this paper.

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They don't have -- those men in Lincoln green with the enormous long bows, made out of good English composite whatever, who can fire the thing thousands of yards and penetrate and kill the French nobility.

忘掉阿金库尔战役吧 那时候没有穿着林肯绿,拿着英国式优质长弓的弓手,百步穿杨,千里追风,取法国贵族性命于无形

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