After several years race, proposals for the laser subsystem of GBFEL Technology Integration Experiment had been finished.
经过几年的竞赛，地基自由电子激光技术组合实验的激光器子系统投标已结束。
After several years race, proposals for the laser subsystem of GBFEL Technology Integration Experiment had been finished.
经过几年的竞赛，地基自由电子激光技术组合实验的激光器子系统投标已结束。
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