查询词典 herbages

Pubescens community and mixed plant species belonged to 56 families, 85 genera, 122 species. The layers of arbors, shrubs, liane, and herbages could be distinguished clearly. The community of Jiulian Mountain Nature Reserve in Jiangxi Province had the highest diversity indices of tree layer in four T. ciliata var. pubescens forest communities, the least was community in Changgang, Longquan of Zhejiang Province. The community of Changgang had the highest index evenness, the least was in Jiulong Mountain of Zhejiang Province. The importance value of T. ciliata var.

研究结果表明：毛红椿天然林群落的物种多样性丰富，与毛红椿混生的植物种类有56科85属122种，而且层次性较强，分为乔木层、灌木层、藤本层和草本层4层。4个毛红椿天然林群落乔木层中，江西九连山群落Simpson多样性指数最高，浙江龙泉昌岗毛红椿群落为最低；浙江龙泉昌岗群落的均匀度指数最高，浙江九龙山群落为最低。

Defoliations have most species and high individual density, with jarless community structure; shrubs have high evenness with less jarless community structure; herbages have less species and individual density, with predominant species conspicuous.

在自然生态系统中蜘蛛种类多，种群数量大，全是掠食性的，且捕食的对象极大部分是害虫，因此蜘蛛是一类重要的害虫天敌，在生物防治尤其是林业害虫防治方面具有重要作用(宋大祥等，2001)。

A modified method of paraffin slice is used for the comparative study on the seed shell compositions of two excellent leguminous herbages Onobrychis viciaefolia Scop.

采用改进的石蜡切片方法，对两种优良豆科牧草———红豆草和扁蓿豆种子的种皮结构及成分进行对比研究。

Sabaigrass is a kind of herbages plant with excellent exploitation value, most of which is wild.

龙须草是一种极具经济效应和生态效应的纤维草本植物，多为野生。

In silvicultural regeneration treatment,the diversity of shrubs and herbages increases gradually in stage A1～A3,and the variation will continue after stage A3,further work is needed to examine the dynamic.

群落多样性是指生物群落在组成、结构、功能和动态等方面的多样化，是生物多样性各个层次中研究得最早的一个层次，其研究内容主要侧重于群落的物种组成和结构的多样性[1]。

In order to understand the herbage biodiversity and synusia structure of artificial forest, we investigated herbages under five forest types of Populus simonii, Prunus armeniaca. Prunus davidiana, Hippophae reamnoides and Caragana korshinskii.

调查分析了黄土丘陵区5种人工乔灌林小叶杨林，山杏林，山桃林，沙棘林，柠条林下草本层植物的物种组成、结构特征及其差异。

Generally, arbors release the largest amount of carbonaceous gas, and then followed by bushes and herbages during burning process.

结果表明：乔木燃烧释放的含碳气体最多，其次是灌木、草本。

Vegetative agriculture is one of agricultural production systems with the main aim of harvesting vegetative organs or tissues of plant such as herbages of forage crops, green fodders, vegetables and ornamental plants.

发展营养体农业可以发挥植物生长的各方面优势，充分利用植物的逻辑斯蒂生长规律，对光照强度的要求不高，对气候和土地资源的时间匹配性要求不严，能够减少漏光现象，提高光能利用率，容易避开主要病虫的危害，其生物量和经济产量较高，营养价值好，生产潜力大。

Experiment 5: Species diversity of AMF community colonized in roots of herbages in limestone and purple soil The species diversity of arbuscular mycorrhizal fungi in roots of various herbages were studied in this paper. Seventeen common herbages were selected as host plants of AMF colonization in this research and they were grown in limestone soil and purple soil, respectively.

试验5：石灰土上草本植物根系内丛枝菌根真菌多样性特征利用聚丙烯酰胺凝胶电泳和银染显影技术，比较了生长于石灰土和紫色土上的草本植物根系内的丛枝菌根真菌(arbuscular mycorrhizal fungi，AMF)群落的物种多样性特征。

In the 37 herbaceous species identified, only 18, 25, 20, 25 and l7species were present in the PS, PA, PD, HR and CK forests, respectively. For herbages, Stipa bungeana, Arthraxon hispidus, Potentilla multifida and Thymus mongolicus were common in the five plantations. The average coverage, height and biomass of herbages in five artificial forests were different obviously, but community biodiversity was similar.

结果表明：5种人工乔灌林下共有37种草本植物，各人工林林下物种组成数量在17~25之间变化，其中以杏树林最多；5种人工林下草本层平均盖度、平均高度、平均生物量存在较大差异，但多样性指数相差不显著。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。