请教一句英文的意思

懵懂干细胞

often maintenance of multipotency or
6 e3 U  ]. i8 R( t) _* mpluripotency9 k  ~+ s; K, F
什么叫often maintenace ？& b. P2 }. e, m2 U$ }( j
望那位高手解惑，谢谢！

tpwang

回复 懵懂干细胞 的帖子
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& z9 W( s$ X% M1 h把上下文一起贴出来，贴一个“段落”或起码一个句子。

懵懂干细胞

Self-renewal is the process by which stem cells divide to make more- h3 @1 v. p7 c0 Q2 J! j3 R
stem cells, perpetuating the stem cell pool throughout life. Self-renewal
* u9 \; H7 A) ]/ |9 x. x! Wis division with maintenance of the undifferentiated state. This re-
$ c  j1 D7 o  [; squires cell cycle control and often maintenance of multipotency or3 ]$ ]* L! A5 X0 }5 v9 R5 s
pluripotency, depending on the stem cell./ f& W' `: ?/ H0 p- y. M
麻烦帮忙看一下！谢谢了

tpwang

回复 懵懂干细胞 的帖子
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# n$ S5 _7 V# w: i6 @  t& f1 T This requires cell cycle control and often maintenance of multipotency or pluripotency, depending on the stem cell.
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4 M! p& |' ^" W0 F$ Z4 Q0 x: }这一(自我更新)过程（的实现）要有对细胞周期的控制，并常涉及多能性的维持（mutipotency or pluripotency，根据不同的干细胞而定）。9 p0 b0 r! j1 z) @3 d. i5 i

5 [4 X0 P' r4 J5 b0 X6 w" Kcell cycle control和maintenance of都是requires的宾语，often是用来修饰maintence的，意思是“往往”也需要（在自我更新过程中）维持多能性。% ^5 B$ A7 A) q& I, y

. O) J% w- F% v6 Q* x先把句型结构搞清楚了，理解就容易些了。这是个带两个并列宾语的结构。完全展开的话就是：' S6 B/ D: [& E- D* V. d7 o1 ^

. G# e  u5 O2 r8 k  R5 IThis requires cell cycle contro, and often requires maintenance of multipotency or pluripotency (which depends on the stem cell types).

懵懂干细胞

高明！谢谢！！！！

懵懂干细胞

高明！谢谢！！！！