printed circuit board造句
61 This dissertation mainly introduces parallel communication of a master-slave system of three_coordinate printed circuit board numerical control drilling and milling machine tool.
62 Cyanate compound, the preparation of triazine copper clad panel and 1ts application in high frequency printed circuit board were introduced in this paper.
63 With the increase of integrated circuit switch rate and PCB(Printed Circuit Board) density, Signal Integrity(SI) has become one of main problems in high-speed design.
64 This module can show the contactor control schematic diagram and the electronic control circuit schematic diagram, printed circuit board drawing and element list.
65 The fabrication procedure of two kinds of microwave multilayer printed circuit board filled with ceramic particles is briefly introduced.
66 The near field coupling device may be formed, for example on a printed circuit board with a plurality of electrically interconnected traces and a ground plane.
67 The double-faced printed circuit board production will produce a lot of wastes and waste water. The composition of these wastes is complicated.
68 The spectral of a DDS system is dependent on the phase noise of the clock source and the printed circuit board design.
69 At the same time, For the purpose of the micromation, low-power surface mounting components and double deck printed circuit board are employed.
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