前纽约警察局的副侦探Ernie Vallebuona，在坐标零点工作后的第三年得知自己患上侵袭性非霍奇金淋巴瘤。
Ernie Vallebuona, a former vice detective with the New York City Police Department, learned he had aggressive non-Hodgkin's lymphoma three years after working at ground zero.
以曲轴箱体为数控加工对象，讨论多工位工件坐标系的建立和零点偏置值的计算。
Uses crank box as objects in NC machining, and discusses the establishment of coordinate system and the calculation of deviation value of multiple work position workpiece.
在不规则样条的负荷-挠度取拐点后直线段切线与横坐标的交点作零点修正后所测得的弯曲弹性模量比较接近真实值。
Drawing a tangent after inflection and intersected the abscissa the slope of the tangent was taken as the flexile modulus.
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