基于图像处理技术，对爆堆图像进行处理，统计岩块的面积、周长，进而推测岩块的粒度组成。
Image processing technology was used for the muckpile images and the area and the perimeter of rocks were added up so as to infer the size composition of rocks.
几位研究人员推测，火山活动可能引发了大面积的煤炭火灾，火灾导致了灭绝事件，但没有发现明确的证据——直到现在。
Several researchers have speculated that volcanism might have set off extensive coal fires that contributed to the extinction, but no clear evidence had been found - until now.
表上说要三十多个小时才能到爱丁堡，可路面积水、暮色渐浓，他推测这回要比平时花上更长时间。
It was over thirty hours to Edinburgh and he suspected that, with the wet roads and the gathering darkness, it would take even longer than normal.
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