A slight narrowing of the eyes is an instinctual, universal expression of anger across various species in the animal kingdom (think about the angry expressions of tigers, dogs, etc.).
轻微地眯眼是出自本性的一种表达愤怒的方式，对于动物世界里各种各样的动物都是通用的(想一想老虎，狗等动物生气的表情就知道了)。
Objective To screen a species-specific probe of individual bacteria species by PCR fingerprinting, which will facilitate a universal detection system for pathogenic bacteria.
目的利用PCR指纹图技术筛选细菌种特异性探针，探索利用PCR指纹图技术实现病原菌通用检测的可能性。
Objective:To find a universal DNA barcode sequence for plant species comparing with the candidate plant barcode sequences.
目的：对比目前热点植物DNA条形码候选序列，试图筛选出植物界的通用条形码序列。
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