重阳木(Bischofia racemosa Cheng et D.chu)主要分布在我国长江以南平原地区,生长迅速,秋季叶子呈红色,是姿态优美的行道树和庭院绿化树种;其干材坚韧,纹理直,耐水湿,材红色,可供建筑、制版和农具用材;根系发达,抗风力强;种子含油率20...重阳木(Bischofia racemosa Cheng et D.chu)主要分布在我国长江以南平原地区,生长迅速,秋季叶子呈红色,是姿态优美的行道树和庭院绿化树种;其干材坚韧,纹理直,耐水湿,材红色,可供建筑、制版和农具用材;根系发达,抗风力强;种子含油率20—30%,可做润滑油,也可食用。展开更多
Let L be a completely distributive lattice with an order reversing involution, the greatest element and the least element of L are denoted by 1 and 0 respectively. (X, (?)) denotes an L-fuzzy topological space. I(L) d...Let L be a completely distributive lattice with an order reversing involution, the greatest element and the least element of L are denoted by 1 and 0 respectively. (X, (?)) denotes an L-fuzzy topological space. I(L) denotes the L-fuz-展开更多
文摘Let L be a completely distributive lattice with an order reversing involution, the greatest element and the least element of L are denoted by 1 and 0 respectively. (X, (?)) denotes an L-fuzzy topological space. I(L) denotes the L-fuz-