当小组中的其他人走入一条岩沟寻找化石时，我和博哈恩·阿斯范则下到那块平坦的平原之上，想探寻一下发现颅骨的地方。
Now, while the rest of the group walked up a gully scanning for fossils, Berhane Asfaw and I headed down onto the flat plain to the spot where the skull had been found.
事实上，博尼斯认为将危地马拉城深坑称作灰岩坑(sinkhole)是用词不当——真正的灰岩坑是一种纯自然现象。
In fact, Bonis thinks calling the Guatemala City chasm a sinkhole is a misnomer-a true sinkhole is an entirely natural phenomenon.
本文对白云鄂博铁矿主采场不同岩性中的预裂爆破进行了探讨，通过计算给出了一些基本的爆破参数，并详细介绍了预裂爆破施工组织过程。
Some basic blasting parameters are given by calculating and the process is introduced on the discussion of pre-crack explosion of different rock character.
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