The system used as beam expander for dye laser, which has advantages of conveniently regulate and petty loss of light energy, transformation efficiency and output power of dye laser is increased.
该系统用于染料激光器中作为光束扩展器，具有调整简便，光能损耗小等优点，可提高染料激光器的转换效率和输出功率。
Searching engine to optimize is to look be like do not simple business simply, everybody does not cause bigger loss to have an insatiable desire for temporarily petty gain.
搜索引擎优化是看似简单做起来并不简单的事情，大家不要为了贪一时的小便宜而造成更大的损失。
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