查询词典 pasture

Persistence of grazing mixed pasture has been a key issue in environment conservation and sustainable utilizing of resources in karst region. Under moderate grazing with Corriedale sheep, the productivity and botanical composition of Trifolium pratense mixtures were studied over a 20-year period in karst region of southwest China. Four mixtures consisted of Trifolium pr...

用考力代绵羊轮牧，在牧前和牧后草地现存量(干物质，DM，drymatter)分别为1800~2500(草层高15~18cm)和900~1200kg·hm-2(草层高3~5cm)的适度放牧利用条件下，对亚热带最常见的豆科牧草红三叶与禾本科牧草的两两混播草地的群落生产力和持久性开展长期研究。20年的结果表明：适度放牧利用下，群落地上总生物量长期稳定，各组合间差异不显著，总盖度20a后仍高达97%以上；适度放牧有利于牧草的生产力持久性，红三叶、鸭茅、多年生黑麦草和黑穗画眉草都在群落中长期存在；群落净产量和持久性是尺度依赖的，群落长期净生产力以红三叶+鸭茅的最高(DM产量353.3g·m-2·a-1)(P.05)，对杂草侵入的抵抗力最强，而前10a红三叶+多年生黑麦草有很高的净生产力DM产量449.8g·m-2·a。。。

Week-stemmed winter annual native to Mediterranean region for long established in southern United States; cultivated as a cover and pasture crop.

茎细弱并常外倾地面上而枝端向上、冬季结荚果的一种豆；原产于地中海地区，但作为一个归化种而在美国南部长期栽种，最近又作为覆盖作物和牧草而栽培。

Nearly 40% of the Earth's ice-free surface area is cropland or pasture.

全年不封冻的土地占地表土地的40%。

Over the next two years they continued their work in a pasture near Dayton, Ohio.

在未来两年，他们继续他们的工作在一个牧场附近的美国俄亥俄州戴顿市。

At ear emergence, pasture still retains a considerable amount of leaf and its digestibility is reasonably high.

出穗时的牧草仍保留全数量的叶片，其可消化率很高。

The primary and secondary uses of land, such as forest, agricultural, cultivated, pasture and residential land, etc., which describes the dominant character of a geographic area and thereby establishes the types of activities which are most appropriate and compatible with the potential or designated use of the land

土地的直接与间接用途，例如作为林业，农业，栽培，草场，居民用地等，反映了一个地理区域的主要特征，并因此确定了最适合于潜在或者规定的土地用途的活动类型。

Draping the skin over his shoulders, he went to the pasture to wait for the lion.

把羊皮披在身上后，猎人到草原上去等狮子。

Ecotone farming field and pasture of Inner Mongolia occupy an important position in Regional economy and Ecosystem.

内蒙古农牧交错带在地区国民经济和生态系统中占有重要的地位。

The vast Europeanize Pasture is a place that many people had long been thinking about and yearning after.

选择在这个时候结婚，想留下人生最美好的记忆，越来越多的年轻人选择，用旅行的方式

If you yearn for the "Europeanize Pasture" honeymoon, just come to Fuhe.

假如你们向往在"欧洲草原"度蜜月，来府河感受一下。

I use an example quoted by Hu Jiaqi:"It is reported that America separates the DNA of a kind of virus by making use of genetic technology and combines it with another kind of DNA. Finally, they get a kind of virulent biological agent called a "pyrotoxin". Someone discloses in private that 20 grams of such a kind of biological agent could result in the global death of 6 billion people due to infection."

我在这里例举胡家奇所引用过的例子："据报道，美国利用转基因技术，将一种病毒的DNA分离出来，与另外一种DNA进行结合，拼结成一种剧毒的"热毒素"生物战剂，且私下有人透露，这种生物战剂只需20克，就可以导致全球60亿人全部感染死亡。"

Waiting, for the queers and the coons and the Reds and the Jews.

等待着疯子和黑人还有红色共产主义者还有犹太人