a highly evacuated electron tube containing an anode, a cathode, and a control grid 三极管带有阳极、阴极和控制栅极的高真空的电子管
research on maximum power point tracking control based on a dsp-controlled grid-connected photovoltaic inverter 双支路光伏最大功率跟踪的并网逆变器的研制
base on exist hardware and network equipment of dut and dalian traffic control system, the dut computing grid model and traffic control grid system are designed . the implement of traffic flow prediction on grid environment is discussed base on this model 同时建立了基于理工大学现有硬件环境的计算网格模型;在大连市原有交通控制系统基础上,描述了基于网格环境的交通控制系统的构建,并在该交通控制网格系统基础上,分析讨论了交通流预测在网格环境下的实现。