1) LF-regular
LF-正则
2) LF regularly pre-semiopen set
LF正则准半开集
3) LF regularly pre-semiclosed set
LF正则准半闭集
4) LF-semi-regular spaces
LF-半正则空间
1.
Several equivalent characterizations of quasi-Lindelf space are given,by which it is proved that the quasi-Lindelf space is an L good generalization and that the quasi-Lindelf space is equivalent to Lindelf space in LF-semi-regular spaces.
同时在LF-半正则空间中得到了拟Lindelf空间与Lindelf空间是等价的。
5) L-fuzzy regular open(closed)set
LF正则开(闭)集
6) Ladle furnace
LF
1.
Practice for Refining Process of 92 t Ladle Furnace for Tube Bloom Steel J55;
J55管坯钢92t钢包炉(LF)精炼工艺实践
2.
Research and Production of Refining Slag for a 50 t Ladle Furnace;
50t钢包炉(LF)用精炼渣的研制
3.
Mathematical and Hydromechanical Simulation on Fluid Flow in Argon Blowing Process in Ladle Furnace;
LF吹氩过程中钢液流动的数学物理模拟
补充资料：凡事豫则立，不豫则废
1.谓做任何事情，事先谋虑准备就会成功，否则就要失败。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条