3) main type
主要类型
1.
Computer aided design main type and function;
计算机辅助设计主要类型与作用
2.
The present paper reviews history of geofluid research and summarizes present situation of fluid research and main types of ore fluid systems.
本文简单地回顾了对流体的研究历史 ,并总结了流体的研究现状和成矿地质流体体系的主要类
4) Main types
主要类型
1.
According to the 203 agriculture tourism experimental units which is issued by National Tourism Bureau of China,the paper concluded the main types and the characteristics,based on the main content,the geological plots and the economy models of the present agriculture tourism.
结合国家旅游局公布的203个首批农业旅游示范点,立足于示范点主体内容、地域类型、经济类型等方面进行了分析总结,归纳了中国现代农业的主要类型及其发展模式。
2.
Through the construction example of the mass concrete of the main structure of the wastewater treatment plant,the author analyzes the main types and the main cause of the mass concrete crack,introduces the prevention measures of the mass concrete crack,points out that the crack of the concrete can be completely avoided.
通过污水处理厂主要构筑物大体积混凝土施工实例,分析了大体积混凝土裂缝的主要类型和产生原因,介绍了大体积混凝土裂缝的防治措施,指出混凝土的裂缝是完全可以避免的。
5) forest type
林分类型
1.
Soil hydrological function of main forest types in Tonglu’s ecological non-commercial forest
桐庐生态公益林主要林分类型的土壤水文效应
2.
According to the renovation investigation under natural Korean pine forest,this paper states that there are con- sanguineous relationship among renovation,forest type and site conditions.
通过对天然红松林下的更新进行调查,阐明了天然红松林下的更新好坏和林分类型及土地条件有着密切的关系,对今后天然红松林经营起到借鉴作用。
3.
According to the soil particle distribution theory and the fractal theory,this paper studied soil structural property of seven different forest types and grassland.
结果表明:①各种林分的土壤结构明显好于荒草地,不同林分类型中混交林分明显优于单纯林。
6) Forest types
林分类型
1.
This paper comparatively studies evapo-transporation of 6 representative forest types,such as young growth larch,half-mature larch ,young growth Korean pine,half-mature Korean pine,oak,weed tree,in mountain- ous area of eastern Liaoning by observing fixed plots.
本试验运用固定标准地观测的方法测定辽东山区几种主要林分类型的蒸发散量,根据布兰尼—尼里德尔模型推算的后楼水库集水区邻域范围内的年土壤和枯落物水分蒸发量分别为落叶松幼龄林720 mm/a、落叶松中龄林751 mm/a,红松幼龄林762 mm/a、红松中龄林826 mm/a、柞树林677 mm/a、杂木林741 mm/a。
2.
Results indicate that there are great differences in soil bulk density and soil porosity for the three different forest types;soil bulk density increases with the increase in soil depth for all the forests;total soil porosity and capillary porosity both decrease with the increase in soil depth;the average soil bulk density of Chinese fir forests(1.
结果表明,不同林分类型的土壤容重和土壤孔隙度差异明显,且土壤容重均随土壤深度的增加而不断增加,土壤总孔隙度与毛管孔隙度均随土壤深度的增加而不断减小;杉木林(1。
补充资料：主要
1.把握事物的关键。 2.指事物中关系最大，起决定作用的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条