This structure is placed in an EMF (e-core) model.
该结构存储在EMF（e-core）模型中。
2
E has the following core language constructs to support asynchronous programming.
E提供了以下核心语言概念来支持异步编程。
3
The dynamic e-business strategy is founded on a core set of emerging technologies that reflect the work of researchers and consultants from a variety of companies and industry organizations.