羚羊下巴上面平整的切痕，显示它的舌头是被非常锋利的片状器具切割的。
The flat cut on the antelope's chin shows that its tongue was cut by a very sharp flake.
这一点显然从动物骨头上的切痕，人的独特的消化系统，以及更大的大脑可以看出来。
That's clear from cut marks on animal bones, and our unique digestive system and our bigger brain.
从赫托收集的很多哺乳动物骨骼上都有石制工具留下的切痕，但我们不知道这些动物是被赫托人猎杀的还是被其他食肉动物杀死后留给赫托人的残羹冷炙。
Many of the mammal bones collected from Herto bear cut marks from stone tools. It is impossible to say, however, whether the people were hunting the animals or scavenging the kills of other predators.
针对电能质量扰动信号的特性，本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
在本系列，当我尝试着通过“物件”来讲叙一段世界历史时，这块来自非洲、来自现代坦桑尼亚所在地、带着劈痕的石头，便是一切的起点。
In this history of the world that I'm trying to tell through 'things', this chipped stone from Africa - from modern Tanzania - is where it all begins.
在本系列，当我尝试着通过“物件”来讲叙一段世界历史时，这块来自非洲、来自现代坦桑尼亚所在地、带着劈痕的石头，便是一切的起点。
In this history of the world that I'm trying to tell through 'things', this chipped stone from Africa - from modern Tanzania - is where it all begins.
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