His jobs at Informix included advanced technical support, performance tuning and troubleshooting consultant, and customer education specialist.
他在Informix的职位包括高级技术支持、客户培训专家和性能调优和故障诊断顾问。
The working principle and actuality of tunable erbium-doped fiber laser (EDFL) are introduced, and some technical problems in tuning are analyzed.
综述了可调谐掺铒光纤激光器的工作原理、研究现状，分析了调谐中有待解决的主要技术问题。
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