雁翎 meaning in Chinese

wild goose feather

How to distinguish the yanling sword , willow leaf sword and cow - tail sword
有关雁翎刀.柳叶刀.牛尾刀.该如何区别
Those who have a waist saber with feathery pattern on the blade can post it for me ? thanks
各位如果有雁翎刀的图片能否贴图欣赏一下,谢谢
The wumishan formation in yanling oilfield is a carbonate reservoir with percolation flow through dual media , and the reservoir heterogeneity is serious
雁翎油田雾迷山组油藏为双重渗流介质的碳酸盐岩油藏，裂缝、溶洞发育，储层非均质性严重。