LLC半桥谐振电路的设计与应用 这是一篇高水平的上海交通大学工程硕士专业学位论文， 对当前主流LLC变换器进行深入的研究，非常适合我们进行学习和借鉴-The design and application of LLC resonant circuit This is a high level of Engineering Master s degree thesis of Shanghai Jiao Tong University On the current mainstrea

电能质量学习标准，介绍现有的电能质量方面的行业标准或国家标准-Study of power quality standards, including the existing power quality industry standards or national standards.

In this paper, we study the split delivery vehicle routing problem with time windows (SDVRPTW) that is a variant of the well-known vehicle routing problem with time windows (VRPTW), where each customer can be served by more than one vehicle. We propo