意思上有区别.
be used to doing ,通常用于过去时态,单纯陈述 过去的某种习惯.过去 习惯于 doing sth,过去经常 doing sth.
have got used to doing ,通常用于现在完成时态.暗指曾经不习惯于 doing sth,而现在已经改变了原来的 “不习惯”,变得 习惯于 "doing sth" 了.