已有四颗围绕该恒星的行星被发现，其中两颗分别位于宜居区的两端。宜居区是使生命得以可能的液态水能存在的区域。
Four planets were already known around the star, with two lying near the inner and outer edges of the habitable zone, where liquid water - and therefore potentially life - could exist on its surface.
此板宜倾斜布置，使之构成进口端倾斜底的最低部分。
The plate is angled so that it forms the lower portion of the entrance decline.
结果表明，大型地下商场宜采用远端自然送风、近端机械排烟方式；
The results show that natural ventilation far from the fire and mechanical exhaust near to the fire is proposed in a large underground emporium.
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