查询词典 soil conservation

In China sci-tech development of soil and water conservation has a long history for about 100 years.

经过近百年的发展，具有中国特色的水土保持科学体系已经基本形成。

This is helpful to advance the research content of the field of soil and water conservation science.

这有望进一步推进中国水土保持学科领域的研究内容。

It has some meaning to take example by other designs of soil and water conservation sch...

对其它引水工程水土保持方案的设计有一定的借鉴意义

In this thesis, I generalized and analyzed, from questionnaires and some cases author experienced, some difficulties and problems one may be confronted with during the reviews and enforcements of soil and water conservation plans to serve as references for professional engineers and all other people involved, so that same mistakes will not be made again.

本研究主要藉现场实际例子，将其所发生之问题纪录，予以统整、分类、分析提出解决之道以及建议，以便提供专业技师与相关从业人员参考，避免再犯相同的错误，藉此提升水土保持计画与工程之水平、品质，以及效率，以使整个水土保持计画监督检查管理部份更臻成熟完善。

Depressed area ; environment construction ; soil and water conservation

贫困地区；环境建设；水土保持

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。