Application logic can invoke or deliver services using a range of programming models and techniques without considering whether the connection is direct or whether it traverses an ESB.
应用程序逻辑可以使用各种编程模型和技术调用或交付服务，而无需考虑是直接连接还是通过ESB传递的。
2
The standard services for managing metadata and image files provide applicationprogramming interfaces (APIs) for uploading, downloading, querying, and updating documents.
管理元数据和图像文件的标准服务提供用于上传、下载、查询和更新文档的应用程序编程接口 (API)。
3
Consuming these services requires figuring out and understanding the sometimes complex ApplicationProgramming Interfaces (APIs).