...rceptible information) 4.5 通用设计原则五:容许错误(tolerance for error) 4.6 通用设计原则六:使用省力(low physical effort) 4.7 通用设计原则七:使用的尺寸和空间适当(size and space for app roactl and use) 第5章 UD案例ABC 专题01:便于抓握的水杯 专...
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... 容许错误（Tolerance for error） 使用省力（Low physical and technical effort） 学习者共同体和学习支持（Community of learners and support） ...
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本实用新型可进行针灸、按摩、叩打多种保健操作，使用省力，准确度高。
The utility model which has the advantages of labor saving and high precision can be used for a plurality of health care operations like acupuncture, massage and knock.
本发明提供了一种半自动折叠助力车支撑管推力机构。其可以实现自动折叠，使用省力，快捷、方便。
The invention provides a thrust mechanism of a supporting tube of a semi-automatic folding moped, which can realize automatic folding, saves labor and can be rapidly and conveniently used.
她重复使用了自行车的一些部件，发明了一种洗衣机，既省时省力，又能让人保持健康。
She reused some bicycle parts and created a washing machine that saves time, energy and keeps people fit at the same time.
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