1.
The Study of Interspecific Relationship and the Characteristics of Weed Community of the Mixed Cropping Annual Artificial Grassland in the up Stream of Shiyang River;
石羊河上游一年生人工草地种间关系及杂草群落动态研究
2.
Study on Energy Conversion Rate of Annual Cultivated Grassland-Tibetan Lamb Fatting in Alpine Region
高寒地区一年生人工草地--藏羔羊育肥能量转化效率研究
3.
Characteristics of Weed Community of Mixed Cropping Annual Artificial Grassland
1年生人工混播草地杂草群落特性研究
4.
annual to perennial herbs of the Mediterranean region.
地中海地区一个一年或多年生草本属。
5.
Effect of trace element fertilizers on the productivity of cultivated perennial grassland in alpine area
高寒地区微肥对多年生人工草地生产性能的影响
6.
annual or winter annual grass with softly hairy leaves of the Mediterranean.
地中海地区一年生或冬性一年生草，叶子有软毛。
7.
annual weedy grass used for hay.
一年生杂草用作干草。
8.
Weed Ecological Strategy and Its Integrated Control of Mixture Grassland of Cultivated Perennial Grass in Alpine Region of Qinghai Tibetan Plateau;
高寒地区禾草混播人工草地杂草生态对策及其综合治理
9.
genus of perennial herbs of cool temperate regions; sometimes placed in family Melanthiaceae.
温凉地区的一个多年生草本属。
10.
The Effect of perennial and annual grasses mixture in plateau area
高原地区多年生与一年生禾本科牧草混播效果
11.
annual or perennial succulent grasses of warm regions.
温带地区一个多汁的一年或多年生禾草属。
12.
annual and biennial herbs of Mediterranean to central Asia.
产于地中海至中亚的一个一年和两年生草本属。
13.
Ecology Research of Two Rangeland Plantation in Duolun County;
多伦县两种草地人工林的生态学研究
14.
perennial grass of South Africa introduced into United States; cultivated as forage grass in dry regions.
引入美国的一种南非多年生草；干燥地区培植的草料草。
15.
biennial or perennial herbs of north temperate regions: winter cress.
北温带地区一个二年或多年生草本属；山荠。
16.
Changes in plant communities and soil microbial physiological groups of artificial grasslands established for different years in headwater region of Yangtze River and Yellow River
三江源区不同建植年限人工草地植物群落与土壤微生物生理类群的变化
17.
European annual grass often found as a weed in waste ground especially along roadsides and hedgerows.
欧洲一年生草，在荒地尤其是路边和灌木树篱常见的一种杂草。
18.
In 1956, small numbers of workers or students in certain places went on strike.
一九五六年，在个别地方发生了少数工人学生罢工罢课的事件。