介绍一种具有干燥、照明和充电系统的演示实验装置，该装置使平行板电容器在演示时能保持所带电荷基本不变。
A parallel plate condenser with installation of drying air, lighting and charging is provided, which can keep charge numbers constant in demonstration experiment.
你可以移动它们，使它们相互平行，以制造纵深感。
You can move them parallel to each other to give the feeling of depth.
相反，我们有意使之根深蒂固的新习惯会创建平行路径，它们可以绕过原来那些路径。
Instead, the new habits we deliberately press into ourselves create parallel pathways that can bypass those old roads.
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