Delta Sigma Theta (ΔΣΘ) is a non-profit Greek-lettered sorority of college-educated women who perform public service and place emphasis on the African American community. Delta Sigma Theta was founded on January 13, 1913, at Howard University by twenty-two young wom...
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EI{Sigma}H{Gamma}H{Sigma}EI{Sigma} A' OP{Theta}O{Delta}O{Xi}O{Upsilon} EPMHNE{Upsilon}TIKO{Upsilon} {Sigma}{Upsilon}NE{Xi}PIO{Upsilon}. Edited by I. Panagopoulos. Pp. 302. Athens: Orthodox Centre, 1973. N.p 来自 Oxford Univ Press 喜欢 0 阅读量: 23 ...
“I can’t really say that I was attracted; I was pointed toa.i. solutions. I had retired from Boeing after nearly 34 years of an incredible career. After about two years, I discovered I wasn’t very good at the retirement thing, so I decided to go back to work. One ofa.i. solu...
如果0<\theta <2\pi, |\sum_{n=1}^p\sin n\theta | < cosec \frac{1}{2}\theta \\ 并推导出: \\ f_n \rightarrow0,\sum_{n=1}^{\infty}f_n \sin n\theta收敛,\forall \theta,且 \\ \sum_{n=1}^{\infty}f_n \cos n\theta收敛,n=l如果θ不是π的偶数倍。例...
Of course, there is more that can be said about a man who lived a century. He was the first American President born in a hospital, grew up in a town populated almost exclusively by Black people, played high school basketball, attended Georgia Southwestern College and Georgia Institute of Tec...