an alternative to the regular channels of communication that is used when agreements must be made secretly (especially in diplomacy or government); "they negotiated via a back channel"
例句与用法
1.
Has made back channel overtures toward them to join their group . . .主动通过秘密渠道向他们提出要他们入伙
2.
Has made back channel overtures toward them to join their group . . .主动通过秘密渠道向他们提出要他们入伙
3.
He was a good and trusted back channel , and he kept his boss well informed 他是一个有用的而且可靠的小道消息来源，确保了他的上司消息灵通。
4.
The single chip system is constructed which can control the double pendulum , including forward channel , back channel and communication with computer 这个单片机系统包括前项通道、后项通道、和上位机通讯三部分。
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