推荐回答（2个）
不同国家差别挺大的。因为读到博士的话划分会很细很精。方向性很强，不会像本科，硕士一样只是对这个专业的各个方向都有涉猎。所以不同国家不同学校的不同方向各有优劣吧。看你想读哪个方向的了。
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