長恆等周期 的英文怎麼說

中文拼音 [zhǎnghéngděngzhōu]
長恆等周期 英文
long identity period
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ形容詞1 (永久; 持久) permanent; lasting 2 (平常; 經常) usual; common; constant Ⅱ名詞1 (恆心...
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
  • : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
  1. Haloes in the two accretion phases show systematically different properties, for example, the circular velocity vh increases rapidly with time and approximately equals the inner circular velocity vs in the fast accretion phase, but remain almost constant and less than vs in the slow accretion phase : the inner properties of a halo, such as rs and ms increase rapidly with time in the fast accretion phase but change only slowly in the slow accretion phase : the halo concentration changes slow in the fast accretion phase, but increases rapidly with the hubble expansion in the slow accretion phase. the inner structure and potential well associated with a halo is built up mainly in the fast accretion phase, while a large amount of mass can be accreted in the slow accretion phase without changing significantly the inner properties and the potential well

    ~ 4 ,其束縛能和具有相同圓速度的溫球大致相; ( s )在這兩個階段,暗暈的行為特徵迥異(例如,圓速度均『在快速吸積階段增迅速且略大於內部圓速度: 、 ,而在緩慢吸積階段基本定甚至降低,且小於、 、 . : 、和呱在快速吸積階段增迅猛,而在緩慢吸積階段增滯緩) : ( l )一個暗暈的內部結構和引力勢阱主要是在早的快速吸積階段成起來的,雖然在緩慢增階段可以吸積大量的質量(超過10倍) ,但這並不顯著地改變其內部特徵和引力勢阱
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