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都知道光端機(jī)光纖傳輸線(xiàn)路用的就是光纜,那么而光纖光纜根據(jù)自然環(huán)境的不同分為室內(nèi)光纜和室外光纜這個(gè)你知道嗎?光纜的中心是光纖,光纖的中心通常是由玻璃制成的芯,芯外面包圍著一層折射率比芯低的玻璃封套,以使射入纖芯的光信號(hào)經(jīng)包層界面反射,使光信號(hào)在纖芯中傳播…
2024-4-30 7:07:53[未知IP0801]網(wǎng)友
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2024-4-30 2:38:15[未知IP0801]網(wǎng)友
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2024-4-29 22:08:38[未知IP0801]網(wǎng)友
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2024-4-27 8:24:43[未知IP0801]網(wǎng)友
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2024-4-26 23:25:32[未知IP0801]網(wǎng)友
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