guāng xiān tōng xìn / zhōng / guāng gōng lǜ / de / dà xiǎo / zhí jiē / yǐng xiǎng / xìn hào zhì liàng

光纤通信中，光功率的大小直接影响信号质量。

In optical fiber communication, the magnitude of optical power directly affects signal quality.