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单词 dedendum
释义 dedendum
 /di den"deuhm/,  n.  ,  pl.   dedenda /-deuh/. Mach.
 (on a gear or rack) the radial distance between the pitch circle or line and the root circle or line. Cf. addendum (def. 3a).
 [1900-05; < L: to be given up, ger. of dedere, equiv. to de- DE- + -dere comb. form of dare to give; see ADDENDUM]
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