Refers to the mineral composition of emerald crystal surface and cleavage plane of When the composition of the mineral particles thick jade, particularly evident.

是指组成翡翠的矿物晶面及解理面在翠面的片状闪光。当组成翡翠的矿物颗粒粗大时，特别明显。

The main influential factors on surgical results were whether presence of encasement of the basilar artery and its branches and of the arachnoidal cleavage plane between the tumor and the brain stem.

肿瘤不能全切除和出现严重并发症的主要原因是肿瘤包裹了基底动脉及其分支以及肿瘤破坏了软脑膜使肿瘤与脑干间失去界面。