The whole finite element model includes 5 nodes and 5 elements, and these element types are D. C. motor element, reduction gear element, beam element, crank element and buffer element.
有限元模型包括5个节点和5个单元，这些单元分别是直流电机单元、齿轮减速器单元、梁单元、曲柄单元和缓冲器单元。
Gallium nitride is grown by plasma-assisted molecular-beam epitaxy on (111) and (001) silicon substrates using hafnium nitride buffer layers.
氮化镓是增长了等离子体辅助(111)和分子束外延(001)硅衬底上氮化硅缓冲层使用铪。
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