要研究在磁盘上图的虚拟骨干网建设,我们考虑两个问题:强连通支配集(纪常会)和强连通支配和吸收集(SCDAS),。我们提出了一个常数近似算法,并讨论改进纪常会的问题。
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高钙处理时钙的吸收集中于生育中期和后期,低钙和不施钙处理时钙的吸收集中于生育前期和中期。
The absorption to Ca was mainly concentrated on the middle stage and the late stage of growth under a high level of Ca.
研究人员收集了150年以来的海洋温度数据,以便更好地了解从海洋表面到海底的热量吸收情况。
The researchers gathered 150 years of ocean temperature data in order to get a better picture of heat absorption from surface to seabed.
在那里,空气吸收了更多的水分,然后将水分凝结在由海水冷却的金属壁上,从而收集用于灌溉植物的蒸馏水。
There the air absorbs more moisture, which then condenses on a metal wall cooled by seawater, and thus distilled water for irrigating the plants collects.
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