1) conic subset
锥子集
1.
In this paper, a conic subset Γ of R 2×R 2 is constructed, and by use of the Hilbert transform along a vector field, it is proved that the pseudo differential operator, whose symbol is the characteristic function of Γ, is unbounded on L 2(R 2).
本文构造了Ｒ２ ×Ｒ２ 中的一个锥子集Γ，以沿向量场的Ｈｉｌｂｅｒｔ 变换为工具，证明了以Γ的特征函数为象征的拟微分算子在Ｌ２（ Ｒ２） 中是无界的。
3) weakly concompact set
锥弱紧集
4) cone quasiconcave sets
锥拟凹集
1.
In this paper, the concept of the cone quasiconcave sets is introduced and used to prove the connectedness of cone efficient point set.
利用锥拟凹集的概念 ,证明了锥有效点集的连通
5) collection cone
收集锥
6) Cone-shaped fuzzy sets
锥形Fuzzy集
补充资料：锥子
1.尖端锐利的用来钻孔的工具。
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