Holographic Dark Energy Characterized by Conformal-age-like Length(CHDE) Z P. Huang, YLW, arXiv: 1202. 2590, Z P Huang, YLW, arXiv: 1202.3517 [astro-ph CO]Holographic Dark Energy Characterized by Conformal-age-like Length (CHDE) Z.P. Huang, YLW, arXiv:1202.2590, Z.P. Huang, YLW, arXiv:1202.3517 [astro-ph.CO]