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1·The ability to distinguish oneself from others had been shown only in humans, chimpanzees and, to a limited extent, dolphins.

目前，只有人类和黑猩猩具备这种能将自己与其他动物区分开的能力。另外，海豚也在某种程度上具备这种能力。

2·Captured oneself characteristic, hold high characteristic old standard, make characteristic brand, travel external, can opening the distinguish oneself in livening.

抓住了自己的特点，高举特色大旗，打出特色品牌，对外传播，就会在开放搞活中大显身手。

3·The unicellular living creature has the food of distinguish, invades the microorganism only and oneself the cell composition etc. the low class identifies the function.

单细胞生物只具有分辨食物、入侵微生物和本身细胞成分等低级的识别功能。