Such a system should be considerably easier to understand than the human brain, a structure with billions of neurons, 100, 000 miles of biological wiring and 100 trillion synapses.

用这样的系统研究人脑的数十亿个神经元、十万英里的生物线和一百万亿的突触就相对容易了。

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BACKGROUND: Cholinergic system projected in brain and hippocampal structure is relevant with learning and memory.

背景：脑内投射至海马结构的胆碱能系统与学习记忆有关。

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The guidance, navigation and control(GNC) system, the brain system, is the one of the key systems of RLV. In this paper the mission requirements and system structure are first studied.

再入飞行是RLV飞行任务的重要阶段，而制导、导航与控制（GNC）系统则是RLV的核心系统之一，是RLV再入飞行的“脑系统”。

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Yet, scientists and journalists alike are frequently too quick to make sweeping generalizations about the behavior and structure of the brain, often forgetting that the brain is an incredibly complex, interrelated system.

FORBES: The Problem With Neuroscience Narratives