这些潜意识的的嗅觉可能与信息素有关，这是一种身体产生的化学物质，作用是沟通生育质量。
These subconscious scents might be related to pheromones, chemical signals produced by the body to communicate reproductive quality.
它说明了对企业间沟通的可追溯性的急切的需要，其它工业，如化学和制药等也有相似之处。
This illustrates a critical need for cross-enterprise traceability, common with other industries such as chemicals or pharmaceuticals for instance.
细菌利用化学信号相互沟通，在这个过程中释放和接收能被群体感应到的信号分子。
Bacteria communicate using chemical signals, releasing and receiving signalling molecules in a process known as quorum sensing.
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