问题
问答题 简答题
DWDM系统中单波光功率不能大于5dBm，主要考虑的是什么？
答案
参考答案：
主要考虑非线形效应对系统的影响，光功率太大可能会产生色散效应和克尔效应等非线性效应。
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DWDM系统中单波光功率不能大于5dBm，主要考虑的是什么？
参考答案：
主要考虑非线形效应对系统的影响，光功率太大可能会产生色散效应和克尔效应等非线性效应。
Li Fei is my new pen pal. She is 21 Singapore. Singapore is a small but beautiful 22 in Southeast Asia(东南亚).It is 23 and has green plants everywhere, so people also call it “Garden City” in the world. Li Lei is a 24 girl. She is a student in No.6 Middle School in Singapore. She speaks English 25 .And she can also speak 26 Chinese. Her favorite 27 at school is history. She thinks it is very interesting. Li Lei likes 28 very much. She wants to have a dog as a pet, but she can’t, 29 her parents don’t like animals. She is very sad about this. Li Lei likes China very much. She hopes to 30 China very much.
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