光电子产业分为光电材料与元件产业、光学器材产业、光咨讯产业、光通信产业和激光产业五大类。
The optoelectronic industry includes optoelectronic material industry, optics equipment industry, optoelectronic information industry, optoelectronic correspondence industry and laser industry.
微波与射频频段通信系统中PIM干扰来自两种无源非线性：接触非线性和材料非线性。
PIM interferences at microwave and RF frequencies are mainly originated from two types of passive nonlinearities, namely, the contact non-linearity and material non-linearity.
微波与射频频段通信系统中PIM干扰来自两种无源非线性：接触非线性和材料非线性。
PIM interferences at microwave and RF frequencies are mainly originated from two types of passive nonlinearities, namely, the contact non-linearity and material non-linearity.
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