1) Naturalized weed
外来性杂草
2) alien noxious weed
外来恶性杂草
3) exotic weeds
外来杂草
1.
Niche characteristic of exotic weeds in suburb and the impacts on biodiversity;
城市郊区外来杂草生态位特点及对生物多样性影响研究
2.
The species and habitat characteristics of exotic weeds in Hangzhou;
杭州外来杂草的种类组成与生境特点
3.
The progress and prospect of exotic weeds research in China;
我国外来杂草的研究进展与展望
4) Exotic weed
外来杂草
1.
Study on exotic weeds in Shandong Province;
对山东省外来杂草的初步研究
2.
Exotic weeds made a great threat to ecological system,agricultural production and human health.
通过野外调查,初步确定天门市外来杂草有40种,隶属17科。
5) alien weeds
外来杂草
1.
Niches of alien weeds in main habitats of Kaifeng suburb;
开封市郊区主要生境外来杂草生态位
2.
Study on alien weeds of the West-lake scenic spot in Hangzhou
杭州西湖风景区外来杂草的调查研究
3.
Based on the field investigation,21 species of alien weeds belonging to 9 families and 17 genera have been found in Urumqi city.
实地调查表明,乌鲁木齐市目前共有21种外来杂草,隶属9科17属。
6) invasive alien weeds
外来入侵杂草
1.
Sichuan province is one of the most serious districts influenced by invasive alien weeds in China.
四川省农科院植保所等单位于1985~1987年间及2002~2006年间不完全调查,共发现外来入侵杂草63种,隶属21科,其中水生杂草2科2种(空心莲子草、凤眼莲),陆生杂草20科62种(含水陆两栖杂草1种,即空心莲子草)。
补充资料：连续性与非连续性(见间断性与不间断性)
连续性与非连续性(见间断性与不间断性)
continuity and discontinuity
11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
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