3) The habitat conditions of A.
选择民勤境内4种主要荒漠植物群落,从生境条件和生态位2个方面进行了对比研究。
Growth trends of Crofton weed (Eupatorium adenophorum) seedlings in different habitats;
不同生境条件下紫茎泽兰幼苗生长动态
By the data of the arthropod commu jties collected from rice fields in differenthabitats,the similarity of the communities was discussed with the cluster analysis method and prin-cipal component analysis methods,The results showed that the effects of the habitat conditions andthe management strategies during the rice production on the structure and dynamics of the commu-nities were significantly.
结果表明：生境条件及管理措施的差异对群落的结构影响较为明显，不同生境区的稻田节肢动物群落，都能在一定距离取值时聚合成一类，而水稻品种对此影响较小。
Three kinds of soil phosphatase activities were studied under different ecological environmental conditions.
对不同生态环境条件下 3类磷酸酶活性的研究结果显示 ,北方 土娄 土和南方红壤的主导磷酸酶类分别是碱性磷酸酶和酸性磷酸酶 ,占到总体酶活性的 1/ 2～ 2 / 3,杀虫双的加入及肥力条件的改变对此比例影响较小 ,揭示出土壤生态条件对土壤磷酸酶特征具有决定性的影响 ;在同一生态区 ,土壤磷酸酶活性随肥力水平的升高而增大 ;酸性磷酸酶对杀虫双的反应最敏感 ,中性磷酸酶则最迟钝。
, strengthening construction of fundamental facilities, improving environmental and ecological conditions, controlling increase of population, raising quality of the residents, exploiting dominant resources in ser.
在分析了河南省贫困原因的基础上 ,提出了适合河南省情的反贫措施 ,例如 ,加强基础设施建设 ,改善环境和生态条件 ,控制人口增长 ,塌提高产量居民素质 ,开发当地的优势资源等 。
Vegetative Growth of Eupatorium adenophorum in Different Habitats
不同生境条件对紫茎泽兰营养生长的影响
The relationship be-tween species diversity and the habitat is also analyzed in this paper.
还分析了物种多样性与生境条件的关系。
HABITAT UNDER BIRCH-ASPEN FOREST AND NATURAL RECRUITMENT OF KOREAN PINE
杨桦林下的生境条件与红松天然更新的研究
Comparative Study on Sexual Segregation of Hainan Eld s Deer at Different Habitat;
不同生境条件下海南坡鹿性别分离的对比研究
Diurnal Changes of Photosynthesis in Panax ginseng and Panax quinquefolium Under Different Environmental Conditions
不同生境条件下人参、西洋参光合作用的日变化
relevant ecological and environmental conditions;
有关生态和环境条件；
(biology) able to exist under more than one set of conditions.
（生物学）能在不同环境条件下生存的。
"The circumstances or conditions relating to this event, as its time or location."
出生时的环境或条件,如时间、地点。
Pea Nodulation Characteristics under Different Ecological Environment
不同生态环境条件下豌豆的结瘤状况
The sum of environmental influences and conditions acting on an organism.
环境因素作用于生物的环境影响和条件的总称
Birth, especially the place, conditions, or circumstances of being born.
诞生出生，尤其指出生的地点，条件，和环境
DETERMINATION OF PHYSIOLOGICAL AND BIOCHEMICAL INDEXES OF WEANER SOW UNDER
不同环境条件下母猪生理生化指数的测定
Environmental conditions for electric and electronic products appearing in nature--Living organisms
GB/T4797.3-1986电工电子产品自然环境条件生物
Studies on Relationship between Root Rot on Panax notoginseng Burk.F.H.Chen and Its Environmental Conditions
三七根腐病发生与环境条件关系的研究
Improvement of the Compost Micro-environment Based on Biosurfactant;
基于生物表面活性剂的堆肥微环境条件的改良
A Study of Yan an Spirit and Its making;
延安精神及其生成环境与条件的历史考察
Tabacco Packing of China: Predicament and Existence;
履约条件下烟草包装的困境与生存谋略
Existence and Development of the Youth Colleges under the Circumstance of Market-Driven Economy;
市场经济条件下团校的生存境遇与未来发展