You must then migrate all existing CCF components to J2C and use only J2C for new development.

您必须接着将全部已有的CCF组件迁移到J2C，并在新的开发中只使用J2C。

youdao

You must then migrate all existing CCF components to J2C and use only J2C for new development.

您必须接着将全部已有的CCF组件迁移到J2C，并在新的开发中只使用J2C。

youdao