Basically cleared off the newest antijamming ultra - high frequency communications system, ARC - 187 substitutes is considered obsolete ARC - 156.

从根本上清除了最新的 反 干扰超高频通信系统, 考虑用ARC -187 替换ARC-156.

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Ultra - high - frequency data is defined to be a full record of transaction and their associated characteristics.

所有交易及相关特徵都被记录的资料叫做 甚高频 资料.

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