黄土高原

Yellow is the color of the earth on the Loess Plateau, the original home of the Chinese people.

黄河是彩色地球黄土高原，原来家中中国人民。

This paper presents a study about soil nitrogen variations in the grasslands with alfalfas growing for four years, six years, ten years, twelve years, eighteen years and twenty-six years.

本文研究了黄土高原地区生长年限分别为4a、6a、10a、12a、18a及26a苜蓿草地土壤氮素的变化特征。

With these proposed methods, comprehensive precipitation-runoff models respectively have been developed for the four catchments.

以植被恢复的土壤水文效应为理论基础，提出了在黄土高原建设稳定植被生态系统的对策。

Soil samples were collected from a 17-year fertilization experiment site in southern Loess Plateau to study the effects of different fertilizations and fallowing on the characteristics of soil nitrogen mineralization, and the transformation of exogenous NO3(superscript -)-N in sterilized and non-sterilized soil samples.

以黄土高原南部17年长期定位试验不同处理土壤为研究对象，研究了不同肥料处理及撂荒条件下土壤氮素矿化特性、灭菌与不灭菌条件下不同肥力土壤对施入外源硝态氮转化的影响。

Herding the area steppe has grass 甸, drought, hungriness and half hungriness three kinds of basic lawn types;The agriculture area grass mountain grass pool has temperate zone, subtropics, the tropical zone infuse a cluster of grass cluster and shed leaves with often green and broad-leaved wood lawn etc.

牧区草原3.13亿公顷，可利用的2.2亿公顷，主要分布于西北、东北、西南10省、区的266个牧区县和半牧业县；农区草山草滩0.87亿公顷，可利用的0.6亿公顷，主要分布于南方各省和北方黄土高原地区。

Levins's and Shannon-Wiener niche breadth formula and Pianka's niche overlapping formulae are adopted to quantitatively study the niche breadths and overlapping feathers of major plant species in Malan forest standing in the Loess Plateau as well as analyze the niche patterns of these major plant species following their successions.

应用Levins、Shannon-Wiener生态位宽度公式和Pianka生态位重叠公式，定量研究了黄土高原马栏林区主要植物种的生态位宽度和生态位重叠特征，同时对主要种在演替系列上的生态位变化规律进行了分析。

River hydrological process and corresponding coverage of forest in watersheds in middle Loess Plateau were analyzed in this paper.

文章对黄土高原中部24个水文监测站点的河流水文过程特征与相应的流域森林覆盖比率之间的关系进行了统计分析研究。

Variation of soil organic phosphorus fractions and contents under different tillages for long term was studied in the layer of 0~5cm, 5~10cm, 10~30cm of calcareous soil in the Loess Plateau of central Gansu with the Bowman-Cole method.

采用Bowman和Cole提出的有机磷分级体系，对陇中黄土高原0~5cm、5~10cm、10~30cm不同耕作方式下土壤有机磷的组成变化进行了研究。

In this paper, necessity of water saving agriculture in Loess plateau wasanalysized, and main types of regulating soil water techniques were sumed up as below, the aimof regulating soil water could be got by use of building up fertilizer, crop rotation, intermitentfallowing soil, drought resistant breeding, water savins run-off agriculture and chemical method.

通过对黄土高原节水农业必要性的分析，并总结出调水技术的主要类型为：培肥地力以肥调水；轮作倒茬调水；间隙休闲调水；抗旱育种调水；节水灌溉调水；径流农业调水和化学技术调水。

According to statistics after the foundation of the PRC, each year the yellow river takes away from the loess plateau 1.6 billion tons of sand, of which 3/4 silts at the sea port and the rest of which silts in the riverways of the lower reach.

根据建国后的统计，黄河每年从黄土高原上带来16亿吨，估计其中的3/4淤积在入海口附近，1/4淤积在下游河道里

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％。