The evolution of the odd shaped head has long puzzled scientists and many reasons such as manoeuvrability, smell and inbuilt "sonar" have been tested.

长期以来，科学家们一直对这种奇异头型的进化感到费解，已经测试了各种原因，比如其灵活性、嗅觉和内置“声纳”。

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SYDNEY: Using high-speed video footage, bioengineers have discovered the key to the evasive manoeuvrability of flies – and found the best strategy for swatting them successfully.

悉尼发稿：高速摄影机拍摄的镜头，使生物工程学家发现了苍蝇能屡屡逃之夭夭的秘密，同时也找到了成功拍死苍蝇的策略。

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The Yak-3 airframe was created as light as possible to save weight and gain more speed and manoeuvrability.

为了增加速度和机动性，雅克3的机身被设计得尽可能轻巧。

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In civil aviation it is mainly to achieve fuel benefits, but in other fields it can help increase manoeuvrability or an aircraft's load-bearing capacity.

ECONOMIST: MONITOR

This added manoeuvrability means that they can be aimed to destroy an incoming Scud by hitting it at high speed, rather than exploding nearby.

ECONOMIST: Military technology

They move backwards to give greater manoeuvrability at speed.

BBC: Profile: B-1 bomber