Please explicate the specific restrictive measures on the foreign control of a U.S. bank and the criteria for approval. 请美方明确外资银行控股美国银行的具体限制措施和具体审批标准。
Some of these barriers have been overridden by the spread of educational opportunities and others by the erosion of restrictive practices. 教育机会的扩大克服了部分障碍，限制措施的减少也克服了部分障碍。
