Young female long jump two levels of athletes take off to the board instantaneous, the center of gravity speed scaled height of burst horizontal athlete is much slower.

少年女子跳远二级运动员起跳离板瞬间，重心速度比高水平运动员慢得多。起跳腿的膝角和髋角也小于高水平选手。

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An air burst is an explosion in which a weapon is detonated in air at an altitude below 30 km but at sufficient height that the fireball does not contact the surface of the earth.

空中爆炸指的是核爆发生在海拔30公里以下，且火球有足够高度不接触到地面。

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The burst bubble has exposed more than Spain's addiction to construction, which at its height accounted for 13% of jobs.

泡沫的破灭暴露的不仅仅是西班牙对建筑业的痴迷。在其鼎盛时期，建筑业的用工比例是13%。

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Finally, at a height of almost 19km, the balloon burst and the payload fell back to earth helped along by a parachute.

BBC: Giant weather balloon carries out its sky mission

Whereas Netscape's IPO symbolized the dawn of the dotcom boom, TheGlobe.com's epitomized the height of irrational exuberance and Google's ushered in a renaissance of tech innovation after the Internet bubble burst, LinkedIn's debut will be remembered as social media's arrival on the capitalist stage known as Wall Street.

CNN: LinkedIn's IPO is a watershed moment for social media

After his last sight of the pathetically stricken Brahms, stooped and fumbling with sausages over the stove, Mahler curiously burst out to a friend that he himself wanted to die at the height of his powers, before his works became weaker.

ECONOMIST: Composers�� lives: Setting it straight | The