Heterochromatic areas tend to stain intensely during interphase, sometimes forming condensed masses called chromocentres . 异染色质部分在间期有染色很浓的倾向，有时形成浓缩的块状，这些块状叫做染色中心。
2.
The cultivation water body shouldn t be heterochromatic , odor and rare delicacy on the sense ; the surface of water shouldn t appear obvious oil film or foam of float material ; float materials that increased artificial is forbidden 养殖水体在感观上不得有异色、异臭、异味；水面不得出现明显油膜或浮沫的漂浮物质；不得有人为增加的悬浮物质。 ph值在7 . 0 8
