黄土高原

The adaptability of yellow bluestem is moderate in the most parts of the Loess Plateau.

黄兰沙梗草在黄土高原大部分地区的适应性中等。

From the experiment of 6 kinds of introduced plants, the conclusion are that in the most parts of the Loess Plateau, Lancer sweet pea, Regar meadow brome are very successful to plant, Spar yellow bluestem, Camber bluegrass and Utah sweet vetch are moderate, and partridge pea are limited to small range but has the potential to plant in the lower reaches of the Yellow River and the areas southward.

本论文所依托的项目共计从美国引进6种草本植物，已经确认在黄土高原地区引种十分成功的有2种：Lancer多年生香豌豆，Regar牧场草；较为成功的有3种：Spar黄兰沙梗草，Cambar康巴早熟禾，犹他甜苕子；适宜栽培范围较小的只有美丽鹧鸪豆1种，但它仍在黄河下游及以南地区有发展潜力。

From the experiment of 6 kinds of introduced plants, the conclusion are that in the most parts of the Loess Plateau, Regar meadow brome, Lancer sweet pea are very successful to plant, Spar yellow bluestem, Camber bluegrass and Utah sweet vetch are moderate, and partridge pea are limited to small range but has a potential to plant in the lower reaches of the Yellow River and the areas southward.

本论文所依托的项目共计从美国引进6种草本植物，已经确认在黄土高原地区引种十分成功的有2种：Regar牧场草、Lancer多年生香豌豆；较为成功的有3种：Spar黄兰沙梗草、Cambar康巴早熟禾、犹他甜苕子；适宜栽培范围较小的只有美丽鹧鸪豆1种，但它仍在黄河下游及以南地区有发展潜力。

Six kinds of superior Leguminosae and grasses including Sweet pea , partridge pea , Utah sweet vetch , meadow brome , yellow bluestem and cambar bluegrass are introduced from the Western and Middle parts of USA with similar climate to the Loess Plateau according to the theory of similarity of climate. The experiments are focused on adaptability, regularity of growth and development, eco-economic values, and technique and model of cultivation of the introduced plants, following the procedure of primary test, regional test and production test.

按照"气候相似论"的观点，选择与黄土高原生态条件较为接近的美国中西部地区，引进了多年生香豌豆、美丽鹧鸪豆、犹他甜苕子、牧场草、黄兰沙梗草、康巴早熟禾等6种优良水土保持草本植物，按照"初选试验—区域性试验—生产性试验"的程序，对引进植物的物候、抗性、生长发育规律、生态经济价值、栽培技术等进行系统研究。

Sweet pea, partridge pea, Utah sweet vetch, meadow brome, yellow bluestem and cambar bluegrass are introduced from the Western and Middle parts of USA with similar climate with the Loess Plateau according to the theory of similarity of climate. The main test areas locates in Xifeng, Tianshui of Gansu, Suide of Shaanxi, Lishi of Shanxi, and the auxiliary areas Datong of Qinghai, Dongsheng of Inner Mongolia, etc.

按照气候相似论的观点，从气候条件与黄土高原较为接近的美国中西部地区引进了多年生香豌豆，美丽鹧鸪豆，犹他甜苕子，牧场草，黄兰沙梗草，康巴早熟禾等6种草本植物。

The paper chooses twenty-five key meadow sample plots in the Loess Plateau, then discusses the estimation model and estimation method of vegetation coverage by the pictures taken by the digital camera, and puts forward the effective solution for edge distortion problem caused by the central projection and vegetation information recognition problem.

该文选择黄土高原退耕还林还草区野外测量的25个典型样方，探讨了数码照相法估算植被盖度的模型和方法，提出了中心投影引起的边缘畸变问题和植被信息识别问题的有效解决方案。

Chilian Mountain West loess plateau of the Andes easternmost East to the site network, the south to the Qinling, including Shanxi Province and Shaanxi, Gansu, Ningxia, and other provinces and autonomous regions, part.

黄土高原西起祁连山脉的东端，东到太行山脉，南到秦岭，包括山西全省和陕西、甘肃、宁夏等省、区的一部分。

Soil desiccation is one of the key factors to influence the sustainable development of crop production on the Loess Plateau of China. So it has a great significance for the sustainable development of crop production to research the form and recovery of the dry layer of soil.

黄土高原的土壤干燥化是影响粮食生产可持续发展的关键因素之一，研究土壤干层形成和恢复对该地区粮食生产的可持续发展具有重要意义。

Because of the especial geography and climate condition in the Donga section of Loess Plateau, The environmental ...

黄土高原丘陵沟壑区由于其独特的地理和气候条件导致其生态环境极端脆弱。

Because of the especial geography and climate condition in the Donga section of Loess Plateau, The environmental status of the region is very frail.

黄土高原丘陵沟壑区由于其独特的地理和气候条件导致其生态环境极端脆弱。

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％。