说明：  SGY道头信息表。SGY为野外地震数据存储标准格式，道头信息表包含了野外地震采集参数等。道头信息有严格的格式要求。
(SGY Road header information table. SGY for field seismic data storage standard format, Road header information table contains the field seismic acquisition parameters. Road header information have strict format requirements.)