建筑展开面积，是指建筑物各层外围水平投影面积的总和。
但这些方法所得到的展开面积都不是球面的真实面积，而作图也不简便。
By these methods, each area is not the exact true area and it is also difficult to draw.
庞大的非细胞黏菌则采取不同的策略，他们大面积地铺展开来，在整个表面产生孢子。
The giant acellular slime molds chose a different strategy, spreading their bodies across huge areas, and making spores across their entire surface.
救援队展开最后一次大面积搜索，设法找到失踪的快艇驾驶员。
The rescue services did the last sweep to try and find the missing yachtsman.
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