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1·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。

2·Life aboveground is crowded.

地面上的生活很拥挤。

3·Tours of the city's unique aboveground cemeteries are also popular.

这座城市特有的地市墓地游仪式也是很受欢迎的。

4·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。

5·Aboveground and underground drains are important, but what about the ground itself?

地上和地下水渠，是重要的，但我们的理由本身？

6·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。

7·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。

8·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。

9·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。

10·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。