这是国标《导航地理数据模型及交换格式》对于学习电子地图数据结构很有帮助-This is the GB "navigation geographic data model and exchange format" for the study of electronic map data structure helpful

Six 16-Bit A/D Converters Programmable Input Sample Rate Simultaneous Sampling

autocad shx 格式文件说明！-autocad shx format note!

介绍74、74HC、74LS系列的芯片资料，要用的时候可能有一定的帮助-Introduced 74,74 HC, 74LS series chips information, to use when there may be some help

将bmp图片转换为txt文本显示源程序-will bmp images converted to text display source txt

该文件是关于状态反馈和观测器的习题，里面的习题均有完整的解答，对学习的朋友很有帮助。欢迎下载！-the document on state feedback and observation of exercises, which are the integrity of the questions to answer, learning helpful friends. Welcome to download!

高清晰、高质量的PPT模板，韩国人做滴！-High-definition, high-quality PPT template, Korean make drops!

pcb related words. professional and accuracy.

1.The content is too simple 2.Is not a sourcecode or document 3.lack of files 4.Directory or platform is not correct selected 5.Description is not detailed 6.Compressed file has password 7.Sourcecode duplicate or already exist