xt

The xt in these cables is so strong that it distorts the signal.

用法提示：这里 xt 作不可数名词，指意外耦合产生的干扰信号。

You can reduce the xt by keeping the wires further apart.

用法提示：句中 xt 为名词，表示串扰，说明减少该干扰的方法。

The engineer added a filter to block the xt from the power line.

用法提示：xt 在此作宾语，指从电力线意外耦合而来的无用信号。