空气动力学检测：在看到塞尔维亚的万诺维奇用前额头顶球的景象，众说纷芸的世界杯用球不是最圆的。
Testing aerodynamics: the hotly-discussed World Cup ball is not the roundest you've ever seen once Serbia's Aleksandar Lukovic gets his granite forehead on to it.
梅塔还对新款的世界杯官方比赛用球，做了一些空气动力学方面的研究。
Mehta also did some research on the aerodynamics of the new soccer ball being used at the 2010 World Cup.
包含了以空气动力学为主，加上无线电通讯、电气工程等世界上最先进的技术。
Contains mainly to the aerodynamics, and radio communications, electrical engineering, and so the world's most advanced technology.
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