The switches are electronic switches with no mechanical contact.
其内部开关元件采用电子开关，无机械触点。
The contact diameter size directly influences the electric reliability of the electronic system.
插针的直径尺寸符合要求与否直接影响着电连接器接触点的稳定性。
Obviously, at this moment the electronic voice is preferable to human contact.
显然此刻，这个由电波传来的声音，胜于人与人的交流与接触。
Obviously, at this moment the electronic voice is preferable to human contact.
显然此刻，这个由电波传来的声音，胜于人与人的交流与接触。
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