Aiming at actual instance that the frequency of electric network is waving, based on twin-T resistance-capacitance active-trap filter, a trap filter which can filter the power interference between 49.
针对电网频率波动的实际情况，基于双t型阻容有源陷波电路，设计了可以滤除频带在49。
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They can also apply to a smaller group of players, like Run T-M-C, the Twin Towers, the Splash Brothers, the Death Lineup, Lob City, or the Flying Death Machine.
这类绰号也可以适用于小群球员，比如Run T - M - C，双塔，水花兄弟，死亡阵容，空接之城，或者飞翔的死亡机器。