"Flatland",鲁迪·拉克著(1983) Tangents,葛瑞格·貝爾著 The Dot andtheLine: A Romance in Lower Mathematics(英语:TheDotandtheLine),Norton Juster(英语:Norton Juster) 著(1963)
station and reroute the Green Line under U Street, and 14th Street NW. The southern part of the Green Line was originally planned to pass over the 11th Street
[2019-01-06]. (原始内容存档于2018-01-23). (英文) Momoland, (G)I-DLE, andThe Boyz awarded at the '2018 Brand of the Year Awards'! (页面存档备份,存于互联网档案馆). allkpop. July 24, 2018
V − V 3 / 3 − W + I {\displaystyle {\dot {V}}=V-V^{3}/3-W+I} W ˙ = 0.08 ( V + 0.7 − 0.8 W ) {\displaystyle {\dot {W}}=0.08(V+0.7-0.8W)} 其中, V {\displaystyle