The contents are as follows:The first part is structural design research of gain generator.
包括板条几何尺寸结构设计研究和泵浦光耦合系统的设计研究。
Research purposes: It is one complex engineering problem for bridge structural design.
研究目的：桥梁设计是一宗复杂的工程问题。
Research purposes: It is one complex engineering problem for bridge structural design.
研究目的：桥梁设计是一宗复杂的工程问题。
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