Student Linstead points to solar panels on the roof of a pre-packaged shelter, and explains they can be used to re-charge cell phones.
林斯特德指着一个庇护所屋顶上的太阳能板解释说，这些太阳能板可以用来给手机充电。
2
The original tablet has been re-located and placed under a roof.
原碑已被迁移，置于长亭内。
3
Thispaper puts forward a new idea of the roof control design under such roof conditions. Firstof all, it is necessary to keep the re-break of the roof outside the breaking edge of the face.