查询词典 sand-fish

Vegetation restoration also resulted in the changes of soil physicochemistry properties including the significant increase in contents of organic matter, total nitrogen, available potassium, fine sand, very fine sand and clay, and the decrease in available nitrogen, phosphorus.

植被的恢复使土壤理化性质发生了变化，与封育前相比土壤中有机质、全N、速效K以及细砂、特别细砂和粘粒含量显著增加；速效N、速效P降低。

This project is to make aeroconcrete through the high temp and high pressure to make it into poriferous AAC with the tail quartz sand as the main material, the cement and lime as agglutinant featuring wind block, warm-keeping, sound/heat insulation, water/humidity resistance, antifreezing, vibration proof, acid/alkaline resistance, partial load bearing, large size and weight light, shape formed optionally, moreover, it is a new building material of mast processing possibility since it can be sawed, drilled and nailed so as to save masonry sand and slurry and quicken the process and simplify the operation.

本项目加气混凝土主要是以石英尾砂为基础，以水泥和石灰为胶和剂，经高温高压养护而成的多孔状AAC。

In this thesis, the adaptive strategies of the psammophyte plants in Otindag Sandland to the sand moisture, sand burial and environmental heterogeneity are investigated using both field and greenhouse experiments.

本文应用实验生态学方法研究了沙地植物对水分、沙埋和养分异质性环境的生态适应对策。浑善达克沙地属于半干旱区域。

In Punan area of Daqing oilfield, the total thickness of Putaohua oil layers is 10~30 m and the individual sand bodies are thin, dispersed, mixed, and transversally variable. Conventional methods can not predict individual sand body precisely.

大庆油田葡南地区葡萄花油层的总厚度薄(10~30m)，单砂层具有薄、多、散、杂等特点，砂体厚度横向变化快，用常规的预测方法难以对单个砂体进行准确的描述。

The tesinic sand is used in casting iton casting steel and nonferrous metal casting.the best is to use the original of the resinic sand.

用级少的粘结剂、即可得到最大的粘结强度，对铸铁、铸钢、有色金属铸件树脂砂用原砂最理想。

Patterns in Nature: Sand A ridged sand dune sparkles under the Nevada sun.

一处山脊沙丘火花在内华达州太阳之下。

Patterns in Nature: Sand A ridged sand dune sparkles under the Nevada sun.

一个山脊沙丘发光闪烁在内华达州太阳之下。

From nature factor, there is arid and strong wind and plenty of sand material that derives from alleviation of rivers in Shiquanhe basin. The vegetation ecology system is very vulnerable. From human being action, the actions of secular excessive firewood and herd and disorder exploitation sandrock make origin vegetation completely destroy and alleviation including plenty of sand material whose structure is loose expose under the effect of wind force.

从自然因素看，狮泉河盆地气候干旱多风，河流冲积形成的沙源物质丰富，植物生态系统脆弱；从人类活动来看，多年的滥樵、过牧、乱采砂石等行为，将原植被破坏殆尽，使结构松散的含有丰富沙物质的狮泉河冲积物直接暴露于风力作用之下。

The degradation process of the sandy rangeland expresses the change from fixed sand to semifixed sand.

沙地草场退化过程主要表现为固定沙地向流动沙地的演化。

The analyses of social and economic development indicate that, up to 1998, the total population in Yijinholo County is 143, 949 persons, the population density is 24 persons per square kilometer, large population number results in land exploitation for food and overgrazing in rangeland. The change in temporal and spatial pattern of landuse from 1977 to 1998 demonstrates that mobile sand dunes was replaced by rangeland and woodland and partial shrubland in the middle of study area changed into rangeland and farmland from 1977 to 1987, while mobile sand dunes and rangeland transformed into shrubland and farmland in a small parts from 1987 to 1998, the above-mentioned change is proved by the change of fractal dimension index and fragmentation index at landscape and its element levels.

对近50年来伊旗社会经济发展的分析结果表明，虽然人口增长率基本上呈下降趋势，但由于人口基数较大，截至1998年底，伊金霍洛旗的人口总数达143949人，人口密度为24人／平方公里，较高的人口密度带来了更多的生存需求，使得大量的草牧场被开垦，而剩余的则严重超载。1977-1998年间伊土地利用结构总体格局变化的分析结果表明，1977-1987时段内主要是流动沙地为草牧场和乔木林地所取代，伴随着中部的部分灌木林地转换为草牧场和农地：而1987-1998时段内主要是草牧场和流沙地为灌木林地和农地特别是灌木林地所取代，而景观及各景观要素的分维度指数和破碎度指数的变化也充分证实了这一结论，虽然在前10年（1977-1987年）中大面积的灌木林被砍伐，但土地利用格局的整体变化间接地反映出该时段内荒漠化的状况正在发生逆转。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。