今年,是513所建所50周年暨搬迁烟台30周年。五十年来,513所全体员工在所历届领导班子的带领下,历经风雨,艰苦奋斗,克服了重重困难,攻破了道道难关,书写出了513所历史上一部跌宕起伏、波澜壮阔的画卷。在这部画卷中,有辉煌、有挫折,更多的是激越的奋进和不屈的攀登。今天,我们站在了新 This year is the 50th anniversary of the founding of 513 and the 30th anniversary of the relocation of Yantai. Over the past 50 years, all 513 staff, under the leadership of successive leading groups, have worked hard and overcame various difficulties in breaking through the difficulties in the road and have written 513 pictures of a ups and downs of ups and downs in history. In this picture, there are brilliant, setbacks, and more are excited and unyielding climb. Today, we are standing new