prehistoric hunters and gatherers史前的狩猎者和采集者The earliest people were roving hunters and gatherers who made primitive stone tools.最早的居民是流动的狩猎者和聚居者,他们制作了一些原始的石器.The brazil nut gatherers were paid only 2 to 3 percent of the ...
他是南安普敦大学考古学课程导师。He is course tutor in archaeology at the University of Southampton.必须区分考古学本身和以科学为基础的考古学。A distinction must be made between archaeology proper and science-based archaeology.她在大学里教考古学.She teaches archaeolog...
Under the room temperature, PTMEG has the water absorptivity.在室温下, PTMEG都具有吸水性.Total absorptivity can be up to 98 % using second - order absorption - oxidation process.采用二级吸收 — 氧化流程,总的吸收率可达98%以上.The molar absorptivity of...