Procter & Gamble was behind "The Guiding Light", first broadcast on radio in 1937, and which became the world's longest-running soap opera.

1937年，P&G公司在广播上赞助的“指路明灯”则成为世界上最长的肥皂剧。

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Then it became clear that by pure chance British light poles were the perfect size and shape to broadcast Digital Power line signals.

然后它变得清晰，由纯净的机会英国的灯柱是完善的大小和形状播放数字式输电线信号。

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Then it became clear that by pure chance British light poles were the perfect size and shape to broadcast Digital Power line signals.

然后它变得清晰，由纯净的机会英国的灯柱是完善的大小和形状播放数字式输电线信号。

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