１９８９年，严银江从军校毕业来到被中央军委命名的“英雄测绘大队”，当上了“一根标尺半袋粮，天当棉被地当床”的测绘兵。谁也没想到，十年之后，这位“学生官”，硬是凭着对军事测绘事业的赤胆忠心，带出了总参命名的“先锋测量队”。十多年的测绘兵生涯，严银江转战南北 In 1989, Yan Yinjiang graduated from the military academy and came to the “Hero Survey and Mapping Brigade” named by the Central Military Commission as a surveyor with “one foot and half bag of grain and a bed of cotton as a bed”. No one thought of it. Ten years later, this “student official” simply took the “valiant measurement team” named by the GAR for his staunch loyalty to the cause of military surveying and mapping. More than 10 years of mapping career, Yan Yinjiang fought North and South