1) arctic drainage
北极水系
3) Arctic bottom water
北极底层水
4) north-ring water system
北环水系
1.
Optimal selection of ecological restoration scenarios for Beijing north-ring water system;
北京北环水系生态修复方案优选
5) Beiyang River System
北洋水系
1.
Study on the Water Culture Idea Integrating with the Putian Beiyang River System to Renovate;
浅谈融入水文化理念的莆田北洋水系整治
6) north and south drainage systems
南北水系
1.
Sixty specimens of Chinese mitten crab(Eriocheir sinensis) from north and south drainage systems were collected to measure 54 morphometric characters using traditional tax-onomic methods.
为探讨南北水系中华绒螯蟹形态差异及物种有效性问题,采用形态学测量的方法,每只蟹选择56个测量点,测量南北水系蟹各60只的54个形态性状。
补充资料：北极
北极
解剖名。出清·陈修园《妇科秘方》 。为女子阴户内2寸处。可参女性生殖器条。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条