单词	generatrix
释义	generatrix /ˌdʒɛnəˈreɪtrɪks / noun (plural generatrices /ˌdʒɛnəˈreɪtrɪsiːz/) Mathematics Another term for generator.The male member has at least three facets evenly distributed about its axis and each facet is generally cylindrical with generatrices orthogonal to the axis and on respective opposite sides of a common transverse plane.... This direction, however, was formerly always along the generatrix [i.e. parallel to the axis] of the roller cone, until the new type of bit was designed by the author's research group. A cylinder is right, if its generatrices are perpendicular to its base; otherwise, a cylinder is oblique. Origin Mid 19th century: from Latin (feminine).
随便看	roll-form roll-formed roll-forming roll holder rolliche rollick rollicking rollicksome rollicky rollie roll in rolling rolling axis rolling back rolling barrel rolling bee rolling boil rolling bridge rolling calf rolling chair rolling chock rolling colter rolling contact rolling coulter rolling cultivator

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