1) eastern cottonwood
美国东部杨木
2) Northeastern United States
美国东北部
1.
Based on the analysis of many factors which constrain the sustainable development of aviation in the Yangtze River Delta,and on the comparison with the Northeastern United States metropolitan region,which is similar to the Yangtze River Delta,some suggestions were put forward to promote the coordinated development of the air.
通过对制约长三角航空业可持续发展的诸多因素分析,并选择与长三角都市群相似的美国东北部都市群进行对比,提出了推进长三角地区机场群协调发展的建议。
4) white hemlock
美国东部铁杉
5) nativewool
美国东部羊毛
补充资料：美国国家标准(见美国标准体系)
美国国家标准(见美国标准体系)
national standards of USA: see standards system of America
Meiguo guOJia bicozhun美国国家标准(national见美国标准体系。of USA)
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