查询词典 infertile soil

The effects of soil improvement of reforest pattern from farmland were important index of pattern selection and effects evaluation.

退耕还林不同模式对土壤的改良效果，是退耕还林系统工程中模式筛选和效益评价的重要指标。

Forestry Companies are required to reforest timberlands in order to protect the soil and to ensure sufficient wood to meet future demand.

林业公司必须造林林地，以保护土壤，并确保有足够的木材，以满足未来的需求。

The Great Green Wall, a project to reforest thousands of kilometers of land to the north of Beijing, has met with some level of success in stabilizing soil, and the intensity of seasonal sandstorms in the capital has decreased in the past few years.

巨大的绿色长城是一项在北京北部对上千平方公里的土地进行重新造林的巨大工程，并且在一定程度上稳固了土壤，并使季节性的强沙尘暴在过去的几年中有所减少。

Along the upper reaches of the Jinsha, Lancang and Nujiang rivers and the Yarlung Zangbo River valley, where sandstorm and soil-erosion hazards are serious, a project to reforest cultivated land is being undertaken.

在风沙危害和水土流失严重的金沙江、澜沧江、怒江上游及雅鲁藏布江流域实施退耕还林工程。

The reformulation doesn't replace that vocabulary with some completely different one, but uses it as its soil of meaning.

对"可能是什么"的描述系列是对现存的、充满意义的语汇的重新陈述。

In order to study the regularity of soil salt accumulation in plough layer caused by groundwater in the Yellow River Delta, GIS and the fundamentals and methods of geostatistics were applied to regionalize the study area based on the spatial distribution pattern of groundwater table and the criteria of critical water table.

为研究黄河三角洲地区地下水作用条件下耕层土壤的积盐规律，运用GIS和地统计学的原理与方法，结合地下水埋深的空间分布以及临界埋深的划分标准对研究区域进行分区，并从空间尺度对各分区地下水矿化度与耕层土壤积盐规律进行了定量分析。

Chang'e-I is expected to fulfil four scientific objectives, including a three-dimensional survey of the Moon's surface, analysis of the abundance and distribution of elements on lunar surface, an investigation of the characteristics of lunar regolith and the powdery soil layer on the surface, and an exploration of the circumstance between the earth and the moon.

嫦娥预计完成四大科学目标，其中包括一个三维的调查研究月球的表面，并分析了丰度和元素分布对月球表面进行，调查结果的特点，月球regolith和粉状土壤层对地表，并探索的情况下，与地球和月亮。

He has developed ways to extract oxygen from the lunar dust, and, based on the knowledge that regolith contains metallic iron, he patented a method of microwaving the soil to transform it into a glass that can be used as a hard surface for spacecraft landings and takeoffs or for roads.

他发明了从月球灰里面分离氧气的办法，基于月球土里面包含金属铁的知识，他发明了一项通过微波将土壤转变为玻璃的专利，它可以宇宙飞船的起落架设坚硬的表面或者跑道。

It will fulfill four scientific objectives, including a three-dimensional survey of the Moon's surface, analysis of the abundance and distribution of elements on lunar surface, an investigation of the characteristics of lunar regolith and the powdery soil layer on the surface, and an exploration of the circumstance between the earth and the moon.

它在月球表面将履行四个科学宗旨，包括元素的月亮的表面、分析对丰盈和发行的一次三维勘测月球风化层的特征的调查和粉状土壤在表面和情况的探险分层堆积在地球和月亮之间。

Multipleprediction regression equations on surface runoff and soil erosion quantities are givenin the dissertation.The prediction errors of these equations are about 15% to20%.

另外，应用地表径流小区观测资料推算土壤的抗冲性指标一抗冲模数，能够真正地反映野外降水击溅和径流冲刷对土壤侵蚀量大小的影响。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48