John Logsdon, the doyen of American space studies, takes a more generous view in his new book (" John F. Kennedy and the Race to the Moon ", Palgrave Macmillan).

美国空间研究元老，约翰劳杰斯特则在他的新书中提出了更大胆的观点(约翰·肯尼迪和登月竞赛，帕尔格雷夫·麦克米伦)。

youdao

F. Order advertising space, time or other means to be used for publication of Advertiser's advertisements, all time endeavoring to secure the most efficient and advantageous rates available.

预订用于广告商广告发布的空间，时间或其它方式，一直努力获得最有效的和最有利的费率。

youdao

F The phenomenon as a whole can only be seen in our mind, mainly as a play of light and shadows while moving in space.

作为一个整体现象，只能被视为在我们的脑海主要是由于光线和阴影作用，而在空间中移动。

youdao

Because officials were concerned about a terrorist attack on the embattled islands, the presidential airplane, Air Force One, was shepherded into Philippine air space by F-15s.

NPR: 'Folly of Empire' Offers Critique of U.S. Imperialism

Her focus included emphasizing Air Force core values, its mission in space, and funding for F-22 fighters.

CNN: Air Force Secretary Widnall Stepping Down

One trillion dollars could purchase 50 Ronald Reagan-class aircraft carriers, each outfitted with 45 of the latest F-22 Raptor fighter jets, or 500 Space Shuttles (if we still made them).

FORBES: What's A Few $Billions Or $Trillions More Or Less? Here's The Long And Short Of It