目前该公司正利用EEI的锂离子技术开发类似系统，该系统具有高能量提供能力，并且最小化多余空间，降低了重量和体积。
A similar system is currently being developed utilizing EEI \ 's Li-Ion technology, which provides high energy capability, while minimizing wasted space and reducing weight and volume.
方法：在设计上，选用合适的材质，将饭盒体积最小化并进行功能整合。
Methods it is designed by selecting the suitable material and integrating the minimal volume with function.
当不用的时候，可以将悬臂收缩起来，使得衣架的体积最小化。
When not in use, the cantilevers can be contracted to simplify the size of the clothes rack to the utmost extent.
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