China Cold Chain Industry website is subordinate to CFLP also as the only official website of Cold Chain Profession Committee and Cold Chain Standard Committee.
中国冷链产业网隶属于中国物流与采购联合会冷链物流专业委员会，是冷专委和冷标委唯一官方网站。
2
A navigation method that the in method is principal and the CN method is subordinate is presented. The calculation model of navigation standard parameter and navigation parameter is deduced.