Essentially engineering is a target-oriented activity and process which features the change from subjective human thinking to objective existence.

工程本质上是具有价值取向的主体作用于客体、主观思维物化为客观实体的一种目标导向的活动和过程。

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Electrodes attached to the brain of a host "encoder" rat in Brazil processed the motor-oriented mental activity for a desired behavior, such as pressing a lever on cue, and converted it into a signal that was then received by a "decoder" rat as far away as Duke's US campus.

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