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爱因斯坦说过:“一个问题的产生通常要比它的结论的获得更为重要,因为结论只不过需要些数学或实验方面的技巧,而提出新的问题、新的可能性或从新的角度来分析一个老问题、则需要带有创造性的想像力、只有这样才会使科学真正地前世。”我国著名水稻专家袁隆平院士,一次偶然在稻田里发现几株天然杂交水稻,穗大粒多,子粒饱满,与众不 相似文献
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INTRODUCTION Autonomous mobile robot is a machine able to extract information from its environment and use knowledge about its world to move safely in a meaningful and purposive manner, it can operate on its own without a human directly controlling it (Ehlert,1999). The primary task of a mobile robot is envi-ronmental navigation as basis for more useful tasks. In contrast to indoor mobile robots and industrial manipulation robots both working in relatively static and structured environme… 相似文献
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