straight bottom

基本解释

Straight cut bottom hem.
直線剪裁的下擺。
The original jacket style summer combat uniform has been replaced by a coat design with straight cut bottom.
原始的夾尅式夏季作訓服由直通低的外套所代替。
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The prestress is operated on main hypo dot place. The thrust of radial gate is dealt with by the B. M. Abnamovs solution of the problem of rigid block with straight level bottom.
預應力按主-次錨索點位施加，弧門推力按直水平基底剛性問題B．M．阿佈拉莫夫解答処理。

So here we have energy increasing on the y-axis, and you see this straight line at the bottom here is lower down on the graph, and that's the energy of a bound electron, so that's going to be a low stable energy.
這裡我們看到能量沿著y軸增加，而且在這張圖片上,這條直線在底部是降低的，那是一個束縛電子的能量，所以那是一個低穩態能量。
麻省理工公開課 - 化學原理課程節選

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