克普勒圆周轨道第三定律；利用积分推导球壳的引力；弹簧。

Newton's law of gravity; Gravitational force from a shell; Hooke's 'law'.

youdao

考克斯新闻服务专栏作家哈普·勒克罗恩是一名临床心理学家。

Hap LeCrone, a Cox News Service columnist, is a clinical psychologist.

youdao

参议员汤姆·达施勒也宣布了他对这个一致意见的支持；迪克·格普哈特没有支持，但我希望一旦有机会重新审阅这个预算，他会回心转意。

Senator Tom Daschle also announced his support for the agreement; Dick Gephardt did not, but I was hoping he would come around once he had a chance to review it.

youdao