In commercially available switching hardware, RCH and CCH are referred to as channel isolation (given in resistance and capacitance) or as channel-to-channel crosstalk (given in dB rejection).
在商用的切换硬件中，RCH和CCH被作为通道隔离(以电阻和电容给出)或“通道-通道”串扰(以抑制dB给出)。
The condition in which cement flows in a channel only on some sides of the casing or borehole annulus, and thus does not provide adequate hydraulic isolation in all radial azimuths.
水泥只在套管或井眼环形空间的某一面的通道内流动的现象，因而不能在所有的径向上提供充分的水力隔离层。
For hardware design, RC filter, voltage sensitive resistor and photoelectric isolation method are used to eliminate interference signal in sampling channel and A/D channel.
在硬件方面，采用RC滤波器、压敏电阻、光电隔离等措施，消除了采样通道及A/D通道的干扰信号；
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