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On the motor skills of babies and infants adapted drinking vessel in order to learn of the safe person
On the motor skills of babies and infants adapted drinking vessel in order to learn of the safe person
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机译：关于婴幼儿适应饮酒器的运动技巧以学习安全的人
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摘要
On the motor skills of babies and infants adapted drinking vessel in order to learn of the safe person, characterized in that the present vessel has a cylindrical region of low height on the foot of the container. This region opens into a slightly inwardly curved wall of the vessel toward the vessel body. The volume of the cylinder head and by the tilting movement of the filled with fluid and curvature of the tilted vessel are virtually the same. In order to learn the person, only the bottom covered with liquid, so that the tilting effect the liquid is displaced into the curvature.
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