The arch was used by the early cultures of the Mediterranean area chiefly for underground drains, but it was the Romans who first developed and used the arch extensively in aboveground structures.
在地中海区域的早期文明中，拱形结构主要被运用在地下排水管上，但在地上建筑中首先发展并广泛使用拱门的是罗马人。
Species richness was positively correlated with aboveground biomass.
物种丰富度与地上生物量呈显著正相关。
The model between aboveground biomass and DBH is fine because of its high significance.
地上生物量与胸径关系模型的相关性都达到极显著。
The ratios of aboveground biomass, tiller number and yield did not increase significantly.
水稻与秧田萌生稗草的生物量比率、茎蘖比率和产量比率增加均不显著。
Insulation materials of aboveground pipeline and equipment shall be of composite silica te.
地面管道及设备的保温材料选用复合硅酸盐材料。
The number of species and plants in aboveground vegetation was increasing with abandoned years.
地上植被中的物种数和植株数随弃耕年限的增大不断增大。
The rule of seasonal change of soil respiration synchronized with that of the aboveground blue biomass.
羊草群落土壤呼吸的季节变化规律与地上绿色体生物量的季节动态同步。
In this age of the Internet, judging what is "aboveground" or "underground" is no longer an effective tool.
而地上、地下的评判在互联网时代不再是有效的工具。
At the same time the coordiration with aboveground planning, development strategy and foresight is discussed.
同时还论述了与地面规划的协调、与开发策略的协调和与前瞻性的协调。
Psychically renewed, we could then return aboveground and put up with another couple of days of victimization.
我们可以重新开始，它返回地面和宽容几天的牺牲。
The types of aboveground vegetation also had a significant effect on the community structure of soil collembolan.
地表植物群落类型对土壤弹尾虫群落结构特征也有一定影响。
The total aboveground biomass increased but the underground biomass decreased with the increase of grazing intensity.
随放牧强度增加，根系生物量呈下降趋势，而地上总生物量呈增加趋势。
The result is that aboveground biomass growth is relevant not only to physiological peculiarity but also to environment.
结果表明苜蓿生物量的增长速率不仅与本身生理特性有关，而且与环境密切相关。
This paper has studied the protective method and the aboveground exhibition hall design of this famous Baiheliang Ridge.
就此讨论了白鹤梁的保护方式，及其地面陈列馆的设计方案。
It has been observed that individual, population, aboveground and underground biomass increase with increasing stand age.
云南松个体生物量、种群生物量、地上生物量和地下生物量均随林龄增加而增加。
Different from any other plants, the precipitation factor doesn't affect the aboveground biomass remarkably in any month.
与干旱区常见的情况不同，降水因子无论在哪个月份都不是芨芨草盐爪爪群落地上生物量的显著影响因子；
Reducing root system redundancy could gain the compensation for aboveground biomass, but make community's stability decreased.
削弱固沙群落的根系冗余可获得生物量上的补偿，但使群落稳定性下降。
Therefore, an ideal bioenergy plant would produce lots of aboveground biomass for fuel as well as have an extensive root system.
因此，一种理想的生物能植物应能生产大量的地上部生物量燃料并有丰富的根系。
Soil microbes are influenced by aboveground vegetation, soil geochemical elements and edaphic pollutants such as battery waste.
土壤微生物受到地上植物、土壤地球化学元素以及电池等污染物质的影响。
The underground rhizome of P. australis and the aboveground part of S. mariqueter were the main sites of existing carbon storage.
地下根茎为芦苇现存碳储量的主要场所，而地上部分是海三棱藨草碳储量的主要场所。
Higher temperatures are advantageous to emission of CO2, as aboveground biomass determines the amount of CO2 photosynthetic uptake.
较高的温度有利于CO2排放，地上生物量决定着光合吸收CO2量值的高低。
The principle component 1 in Carex lasiocarpa could explain the species relative density of 88% and the aboveground biomass of 84%.
毛果苔草湿地中主成分1能够解释88%的物种相对密度和84%的地上生物量；
Underground and aboveground pipes, valves, drains, controllers and electrical wiring are all elements in a landscape irrigation system.
地上和地下管道，阀门，排水渠，控制器和电线在一个景观灌溉系统的所有元素。
The net production, natural returning and retaining amount of elements in aboveground portion were a markedly higher than that of underground in t.
红三叶群落地上部的净生产量、自然归还量和元素的存留量均显著高于地下部。
The effect of rootcutting on aboveground growth, underground growth and yield of crop was directly related with the time and degree of rootcutting.
断根对作物地上、地下部生长状况及产量的影响与断根时间、程度直接相关。
The ratio between underground biomass and aboveground biomass of shrub and herb layer increases first, and then decreases with the rising of elevation.
灌木层、草本层地下部分与地上部分的比值随海拔的升高均呈先增加后减少的趋势。
It is important to study and compare the relationship between root fresh weight, aboveground biomass and protein content with different varieties soybean.
所以研究比较不同品种大豆根鲜重、地上生物量与籽粒蛋白含量的关系对大豆育种具有重要意义。
Impacts of fertilization and sampling position on soil moisture and aboveground biomass of Medicago sativa were studied in a long term, in situ experiment.
基于苜蓿长期连续种植定位试验，研究了不同施肥与采样位置差异对苜蓿草地地上部分生物量和土壤水分的影响。
The results showed that the aboveground part of drown plant withered and died, the growing points were necrosis, the control efficiency were more than 90%.
结果表明，当年灭除狼毒地上部分干枯死亡，生长点坏死，灭除率达90 . 0 %以上。
The results showed that the aboveground part of drown plant withered and died, the growing points were necrosis, the control efficiency were more than 90%.
结果表明，当年灭除狼毒地上部分干枯死亡，生长点坏死，灭除率达90 . 0 %以上。
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