摘要: IEC 61108-1 SOG (speed over ground) Required to accuracy of SDMECOG (course over ground) Required to accuracy of +1 ( 17 kt), +3 ( 17 kt) SOG (speed o 阅读全文
posted @ 2018-06-12 11:15 dark_ness 阅读(2699) 评论(0) 推荐(0) 编辑