bottom elevation

基本解释

For (Master) Magic solving: elevation is measured from the bottom of the elevated tile.
魔板项目：抬起高度是从抬起块的底部边缘计算。
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The elevation distance between the take-off point and the bottom of the valley is 300-400 meters averagely, 700 meter the highest.
这些起跳点距离山下谷底的高差，一般在300 -400 米之间，高差最大处可达700 米以上。
The second period is a pulse of pelagic clay deposition at the Early to Middle Pliocene, reflecting the shrinkage of the Antarctic bottom waters and the global temperature elevation of this period.
第二阶段为早、中上新世的结壳生长间断期，形成深海粘土沉积，表明此时南极底流的减弱和升温；

Also, the pressure at the bottom will be lower than the pressure at the top as pressure decreases with increasing elevation.
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