位在

Histopathologically, intraepidermal acantholysis is located at the granular layer in PF and suprabasally in PV.

病理上，落叶性天疱疮的棘松解位于颗粒细胞里，而寻常性天疱疮则位在基底之上。

Similar in principle to the enclosing of parenthetic expressions between commas is the setting off by commas of phrases or dependent clauses preceding or following the main clause of a sentence.

类似将附带说放在之间的规则，位在句子主要子句之前或之后的片语或从属子句，也应以开。