The results illustrate that the dustfall in Hotan is influenced by days and intensities of airborne dirt, raising sand and sand storm and has important effect on the soil.
结果表明，和田地区的降尘受浮尘、扬沙、沙尘暴日数和强度的影响，对土壤有重要作用。
This generates an important effect on lightening wind and sand harm, improving ecological environment and raising agricultural production level.
这对减轻该区的风沙危害，改善生态环境和提高农业生产水平，都起了重要的作用。
It is suggested to rein - force local bearing wall's strength by raising up the grade of cement sand grout.
建议提高砂浆强度等级在砖砌体局部加强强度。
Application effects of medium with different proportion of rotten peanut bran and sand were studied in tobacco seedling raising in the floating system.
将腐熟花生糠与河砂以不同比例混配成基质，研究其在烟草漂浮育苗上的使用效果。
Application effects of medium with different proportion of rotten peanut bran and sand were studied in tobacco seedling raising in the floating system.
将腐熟花生糠与河砂以不同比例混配成基质，研究其在烟草漂浮育苗上的使用效果。
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