Such "sun ship" would have a large enough surface area to carry the enormous number of solar cells necessary to move any appreciable load.
这种“太阳能飞艇”必须要很大的面积以携带大量的太阳能电池,这样才有可能运载可观的载荷。
Assume that a financial expert has no appreciable skills in development tools (BI reporting or ETL), but he requires more transparency about the calculation formulas used in BI reports or ETL jobs.
假设一位金融专家不具备开发工具(BI报告或etl)方面的技能,但是他需要了解BI报告或ETL作业中使用的计算公式。
This is because the resistance is so great that a layer of air makes no appreciable difference.
空气层的阻抗非常的大,测不出差别。
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