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1·Got hydrophobic what symptom is there? What symptom does delitescent have?

得了狂犬病有什么症状？潜伏的有什么症状？

2·In order to ensure the reliable operation of the long-distant undersea optical cable, it is necessary to detect the delitescent fault in earliest time.

为了保障长途海底光缆的运行可靠性，需要尽早发现潜在的故障。