The paper discusses the law of the damping-without-drive simple pendulum motion through phase-graph method.

用相图法分析讨论了有阻尼无驱动单摆的运动规律。

youdao

The area is a two-day drive from Addis without much in the way of inns or guest houses.

VOA: standard.2009.12.14

Neuropsychologists love when motorcyclists drive without helmets because through their horrible accidents we gain great insights into how the brain works.

他们喜欢不带安全帽就能开摩托车的时代,因为通过他们严重的交通事故,我们能够了解大脑是如何进行活动的

耶鲁公开课 - 心理学导论课程节选

There's never been a successful third-party political culture take hold in this country without one really big issue to drive it.

美国就从没有过,第三政党真正成功执政的时候,因为缺乏一个真正重大的议题来支持它

耶鲁公开课 - 美国内战与重建课程节选

Skipsey and six partners took over but without much drive to grow.

FORBES: Fiesta Central

The 31-year-old has been without a drive since the collapse of Super Aguri in May but will get back behind the wheel at Jerez on 10 December.

BBC: Sato to test for Toro Rosso again

Italian reports suggested Senna would be paired with Britain's Jenson Button for 2009, leaving Button's 2008 team-mate Rubens Barrichello, of Brazil, without a drive for the new season.

BBC: Billionaire Slim denies Honda bid