查询词典 rangeland

South China have fourteen main types of rangeland vegetation.

我国南方有十四个主要草地植被类型。

Much of public land is rangeland. The Bureau of Land Management oversees over 170 million acres of range.

很多共有土地是靶场地，土地管理局监管超过一亿七千万英亩的范围，森林行政部门管理一亿零四百万英亩，这其中一大部分被森林覆盖。

All this will support and encourage the local governments, herdspeople, and farmers to conserve the rangeland and develop local economy.

其目的是支持和鼓励草原地区更多地承担保护草原生态环境责任的同时，维持和发展社会经济。

However, some of the positive trends represent woodland and bush encroachment into rangeland and farmland - which is not generally regarded as land improvement.

尽管如此，部分积极的发展趋势表现为林地和灌木丛对牧场和农田的侵占，这通常不被认为是土地改善。

To avoid the occurence of this situation, different sheep raising methods in rangeland were conducted.

并与该时期放牧绵羊在体重变化、经济效益、生态效益等方面进行对比分析。

Although the potential productivity of artificial rangeland is much higher than that of natural range-land in China, the yield amount of the former is distinctly lower than that of the latter at Present.

采用以能量和营养为核心的评价体系，对我国天然牧地与人工牧地的第一性和第二性生产能力进行了研究。

Its logical structure, programes of statistics and calculation were designed for processing the technical materials of national rangeland investigation which is being carryed on in China.

它的数据逻辑结构是为处理正在全国进行的草场资源调查的技术资料而设计的。

Grasshopper is a kind of primary pests damaged to a wide rangeland region in the west of China.

南京大学国际地球系统科学研究所，江苏南京210008 [2]南京师范大学地理科学学院，江苏南京210097

The soil nutrient in different rangeland stapes was gradually decreased with soil depth.

不同草地类型土壤养分含量的变化是随着土层加深而降低。

Taking Zhaosu county as an example,its rangeland resources classification system is constituted.

以昭苏县为例，建立该县草地资源分类系统。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。