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

> as lemmas

primitive radius

† primitive radius n. Mechanics Obsolete = proportional radius n. at proportional n. and adj. Compounds.

ΚΠ

1779 Philos. Trans. 1778 (Royal Soc.) 68 979 The whole primitive radius nearly as far as the extremity of the tooth is run over by the point of the tooth.

1857 Appletons' Cycl. Drawing 170/2 The centres of a wheel and pinion of which the teeth are intended to be of the epicycloidal form, and A c and B c their primitive radii.

1890 Cent. Dict. at Primitive Primitive radii, same as proportional radii.

extracted from primitiven.adj.

as lemmas

单词	primitive radius
释义	> as lemmas primitive radius † primitive radius n. Mechanics Obsolete = proportional radius n. at proportional n. and adj. Compounds. ΚΠ 1779 Philos. Trans. 1778 (Royal Soc.) 68 979 The whole primitive radius nearly as far as the extremity of the tooth is run over by the point of the tooth. 1857 Appletons' Cycl. Drawing 170/2 The centres of a wheel and pinion of which the teeth are intended to be of the epicycloidal form, and A c and B c their primitive radii. 1890 Cent. Dict. at Primitive Primitive radii, same as proportional radii. extracted from primitiven.adj. < as lemmas
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