以二年生草本花卉黑心菊为材料，研究了温室环境对其生长的影响。
The influence of greenhouse environment on the growth of in rudbeckia hirta a biennial herbaceous flower was studied.
二年生植物：在两个生长季内完成全部生活史的植物。
Biennial a plant that completes its life cycle within two years.
这是与一年生和二年生对比而言的。
对三年生、二年生碱茅草地和盐渍化荒地土壤水分动态及其影响水、盐运动的因素进行了研究。
The water and salt dynamics and factors affecting them in Puccinellia grasslands of two and three years growths and saline wasteland have been studied.
二年生的枝条的成活率最高，尤其以二年生的生根粉的效果最好，为49.1%，比一年生和多年生的要高出15%左右。
The survival rate of the biennial branch is the highest, especially the biennial taking root powder (49.1%), it is about 15% higher than the annual and perennial one.
原产中国的带有紫色小孔的开有玫瑰色似紫丁香花的植物；一般为二年生。
Chinese pink with deeply toothed rose - lilac flowers with a purplish eye; usually raised as an annual.
人工种群植株不同密度间个体生长差异显著，尤其是人工二年生种群植株中、低密度区比高密度区个体生长得较大，体现了密度制约的效应。
Plants, especially in population of two years, have bigger bodies in low and middle densities than that in high densities in field. It's the effect of density dependence.
提出了第二年生草土壤的矿物油临界含量。
The critical content of mineral oils in soil was presented for second-year-old Reed canary grass.
芹菜是伞形花科、二年生的草本植物，又名芹、药芹、蒲芹。
Celery is the umbrella-type family and biennial herb, also known as celery, celery drugs and Parsnip .
本文研究了第二年生草在不同矿物油投配量下的生产性能。
The productivity of second-year-old reed canary grass under various distribution of mineral oil contents was reported in this paper.
多年生草本，一年生草本，二年生草本，无茎的或，具茎具上升或外倾嫩枝从一块根那里的很少。
Herbs perennial, annual, or biennial, acaulescent, rarely caulescent with ascending or decumbent shoots from a caudex.
沙芥属蔬菜是十字花科，二年生草本植物，主要分布于蒙古高原，是沙区人民广泛喜食的野生蔬菜。
Puionium Gaertn. is a cruciferous, biennial herb, distributed mainly in Mongolia Plateau area. it is the people's extensive eat wild vegetables.
沙芥属蔬菜是十字花科，二年生草本植物，主要分布于蒙古高原，是沙区人民广泛喜食的野生蔬菜。
Puionium Gaertn. is a cruciferous, biennial herb, distributed mainly in Mongolia Plateau area. it is the people's extensive eat wild vegetables.
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