社区的工作对知识的全面积累是否有很大的贡献，这一点是值得怀疑的。
And whether the community's work contributes much to an overall accumulation of knowledge is doubtful.
平面中的通量和空间中的通量有很大区别，在平面中，通量仅仅是线积分的另一种形式，而在空间中，它表现为曲面积分。
Flux looks quite different in the plane and in space because, in the plane, it is just another kind of line integral, while in space it is a surface integral.
然而，由于各岛屿国家的陆地面积、1人口密度、气候、地理地形条件等有很大差异，它们的森林覆盖程度也有很大差别。
However, due to a considerable variation in land area, 1 population density and climatic, geological and topographical conditions, the extent of forest cover differs greatly among the island states.
一种很大的绿色的树居的青蛙，雨滨蛙属，在胡昂半岛北部被发现。那里有面积达16500万平方公里被海洋包围的山地和洼地森林。
A large green tree-dwelling frog Litoria dux was discovered on the northern side of the Huon Peninsula a 16 500 sq km area of montane and lowland forest surrounded by ocean.
根毛从土粒表面吸收养分，所以，土壤的内表面积对土壤中的植物养分有很大影响。
Root hairs feed from the surface particles, therefore the internal surface area has a great influence on plant food in the soil.
大堡礁很大。是吧？我想它的面积大概有300.000平方公里。
It's pretty big. Isn't it? I think it covers more than 300, 000 square kilometers.
正常小肠黏膜，有较长绒毛，偶尔可见杯状细胞。绒毛为消化和吸收提供了很大的面积。
This is the normal appearance of small intestinal mucosa with long villi that have occasional goblet cells. The villi provide a large area for digestion and absorption.
高流速下的生产薄膜有很大的表面积，使得快速的传热和高效的操作得以实现。
Production of thin films at high flow velocity, along with large surface area, allow rapid heat transfer and efficient operation.
俄罗斯国土面积很大，所以有很多冲突面，那里辛金箔的炫目，也有西伯利亚的冰雪，有苏联时代的纪念碑，也有城市文化。
Russia has as many contrasting faces as its size would suggest. It has various cultures from gold leaf glitz to icy Siberian, from Soviet era monuments to urban culture.
试验结果表明，着速与破片的数量和覆盖面积有很大关系。
The experimental results show that the impact velocity is closely related with the number and area of the debris.
在生产要素的变化方面，竹林面积有了很大的增加，林农资金投入也增加了非常多，但是林农劳动的投入并没有增加很多。
For the production factors, the area of bamboo increased a lot, and the capital input rose dramatically. But the labor input of peasant household does not increased in a same pace.
项目建设背景：活性炭具有发达的孔隙结构，有很大的表面积和吸附能力，因此该产品应用范围相当广泛，其中用量最多的是在环境保护领域。
Project Background: Active carbon is widely used due to its developed hole structure and prodigious surface area as well as adsorption capability, especially most used in environment protection area.
项目建设背景：活性炭具有发达的孔隙结构，有很大的表面积和吸附能力，因此该产品应用范围相当广泛，其中用量最多的是在环境保护领域。
Project Background: Active carbon is widely used due to its developed hole structure and prodigious surface area as well as adsorption capability, especially most used in environment protection area.
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