multipath signal的用法和樣例：
例句
- This method can be widely used in the portable measurement system which needs transfer signal through PCM modulation.
該方案可以用於需要以脈衝編碼調製方式傳輸信號的攜帶型測量系統。 - An unbalanced line is generally a single-conductor shielded cable with the center conductor carrying the signal and the shield at ground potential.
對於非平衡式信號線來說，就是一根被屏蔽了的信號線，這個中心信號線傳輸信號，且相對於地電勢。
