View of Photoionization Study on the 1s\(^{2}\)2snp \(^{1}\)P\(^\circ\), 1s\(^2\)2snd \(^{1,3}\)D, and 1s\(^{2}\)2pnd \(^{3}\)D, Rydberg Series of the Be-like \((Z=8-18)\) ions