The equation of lattice vibration of one-dimensional monatomic lattice and the equation of longitudinal vibration of a uniform bar are discussed.
一维单原子链晶格振动与均匀杆自由纵振动的运动方程在数学上存在内在的联系。
The paper introduced a bar lattice LED system, which could provide message source based on pager technology.
介绍了一个以寻呼技术提供信息源的文字条形显示屏控制系统。
A bar code is made in the random grating lattice (diffuse reflection) area or to use together with the laser holographic anti-counterfeiting label to realize comprehensive anti-counterfeiting.
在随机光栅点阵(漫反射)区域上制作条形码或与激光全息防伪标识共同使用，可实现综合防伪。
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