off cut 裁切不合规格的
off-cut pipe 切余管
cut off 切断 ; 剪下 ; 切掉 ; 阻隔
cut-off 截止 ; 显像管截止点调整 ; 明暗截止线
Emergeny Cut-off Valves 紧急切断阀 ; 紧迫堵截阀 ; 切断阀 ; 切断阀简称紧急切断阀
cut-off frequency 截止频率 ; 截止频次 ; 为止频率
cut sb off 把电话挂断 ; 把电话挂掉 ; 把
Cut-off level 截止电平 ; 截止高程 ; 界值
balance cut-off saw 均衡截断锯
N a piece of paper, plywood, fabric, etc, remaining after the main pieces have been cut; remnant (纸张、木材、布料等的)下脚料
She was famous for her beauty. Madame Pierre Gautreau is wearing a low-cut black dress that shows off her pale skin.
VOA: special.2010.08.04
So z equals 7 -- this is the cut-off where, in fact, the sigma orbital is going to be higher in energy than the pi 2 p orbitals.
所以z等于7-这是分界点,实际上,sigma轨道能量,要比π2p轨道高。
z And what you need to remember is if the z 8 is equal to eight or greater, such as oxygen being the cut-off point, this sigma 2 p orbital is actually lower in energy than the pi 2 p orbitals, the molecular orbitals.
你们要记住如果,等于或者大于,就像O是分界点,这时sigma2p轨道,比π2p轨道能量更低。
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