=Height Equivalent to Transfer Unit 当量传质单元高度
网络 因;传质单元高度(height equivalent to transfer unit);因或根
The four numbers of "6, 7, 8, 9" differs in denotations in Zhouyi and Hetu.
“六、七、八、九”四数在《周易》与《河图》中的含义并不一致;
The five-element numbers of Hetu should not be confused with the four-image numbers of Zhouyi.
《河图》的五行成数不能与《周易》四象数混同。
There are black and white spots arranged into number array on the Hetu which contain indefinite mysteries;
河图上,排列成数阵的黑点和白点,蕴藏着无穷的奥秘;
We should check the original documents of Pre-Qin period to distinguish whether "Hetu" and "Luoshu" are lattice diagram or not.
欲判明先秦文献中所记载的“河图”、“洛书”是否点阵之图,首先应求于先秦文献中有关“河图”、“洛书”的原始记载。
The strata discovered firstly in Huang-Hetu area are of indicative significance for basic research, such as division of geotectonics and strata.
由于该套地层在黄哈吐地区为首次发现,对大地构造及地层区划等基础地质的研究有着重要意义。