Using the model the unsteady aerodynamics of one aircraft in pitching-rolling motion is identified.

应用该模型对某飞机模型做俯仰滚转耦合运动的非定常气动力进行了辨识。

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The results show that unsteady aerodynamic characteristics of a delta wing oscillating in large amplitude pitching roll motion are more complicated than in pitching motion or in roll motion.

结果表明，飞行器俯仰滚转耦合运动时的气动特性比单独俯仰和滚转时的气动特性复杂得多。

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In communities north of Denver, residents are pitching in to help teachers and administrators as the Vrain school District tries to solve a $13.8 million budget shortage blamed on mismanagement.

在丹佛北部的社区，居民们正在积极帮助教师和管理人员，因为弗兰学区试图解决因管理不善而造成1380万美元预算短缺的问题。

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At the Chicago White Sox U.S.Cellular Field on Chicago's South Side, the 30-year-old pitcher retired all 27 batters from the Tampa Bay Devil Rays without allowing anyone to reach first base, pitching a perfect game and putting his name in a record book occupied by only 17 others in Major League history.

VOA: standard.2009.07.24

Among Little League pitchers, pitching in travel ball and pitching in a showcase were associated with pitching with elbow pain.

FORBES: Kid Pitching Studies Throw Youth Sports a Curveball

Apple has learned from Facebook and from Google that privacy issues have to be front and center in pitching new social media products.

FORBES: In Social Media, Privacy Now Has To Be Part of the Sales Pitch

How much added value can be expected from a guy who specializes in pitching the last inning, when there's so little room for improvement?

FORBES: Magazine Article