Is there a new or more appropriate communication between the alternative?
有没有一种新的或者说更适合的沟通途径呢？
If communication link for math data exchange is needed have appropriate contacts been taken?
如果需要进行数模信息的交换，是否建立了相关的沟通渠道？
Choose appropriate secure communication mechanisms.
选择适当的安全通信机制。
Choose appropriate secure communication mechanisms.
选择适当的安全通信机制。
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