作为程序员，很多挑战是要应付不断的更改：新的协议、应用程序编程接口(API)、客户需求、硬件约束等。
As a programmer, much of your challenge is to cope with unceasing change: new protocols, application programming interfaces (APIs), customer requirements, hardware constraints, and so on.
当然，如果服务的性能特征由于新接口而发生更改，则需要由非常重要的客户端重新测试性能。
Of course, if the performance characteristics of the service change due to the new interface, then a performance re-test by the high importance clients is warranted.
引入新接口：不对现有接口引入行为更改的新接口通常不需要由客户端进行彻底测试。
Introduction of a new interface: a new interface that does not introduce a change in behaviour to an existing interface typically will not merit a thorough testing by clients.
还需要修改客户机应用程序来使用新接口。
The client application also needs to be modified to make use of the new interface.
通过Web客户端用户接口，Archie也很快订阅了新的索赔处理资产。
From the Web client user interface, Archie also quickly subscribes to the new claims processing assets.
增强的客户端支持为远程客户端提供了更好的可访问性，并且支持客户端通过新的通用Web服务接口调用Web服务。
Enhanced client support provides increased accessibility for remote clients, as well as support for clients capable of invoking Web services through a new generic Web services interface.
已经部署的客户端使用旧接口继续运行，而新客户端可以使用新接口。
Already-deployed clients continue to work with the old interfaces, whereas new clients can use the new interfaces.
CORBA规范提供了应用程序间的统一接口，将客户机正式同服务器分离，在传统的客户机与服务器间加入了新的一层一代理器。
The CORBA standard provides the interface for the different applications. It divides the Client and Server completely, and adds a new tier-agent between the Client and the Server.
这个函数允许客户端请求对象提供关于自己的其它方面的指针，这个新指针同样指向不同的虚基类（也叫做接口）。
This function allows a client to ask the object for different pointers to itself that also point to different abstract base classes (also known as interfaces).
同时，提供了客户化接口，银行只需将新业务的特殊逻辑封装成客户原子方法，借助中间业务平台的支撑，就可以快速的推出新型的中间业务品种。
At the meantime, this technology provides the customer interface through which the Banks can quickly offer new intermediate businesses by packing the special logic units into customer atomic way.
客户端同样能够首先检查一个更成熟的新接口，且如果COM对象不能提供它，客户端能够请求“旧的”，能让工作走通。
A client could also ask first for a more sophisticated new interface, and if the object does not provide it, the client can ask for an "older" interface and provide a workaround.
客户端同样能够首先检查一个更成熟的新接口，且如果COM对象不能提供它，客户端能够请求“旧的”，能让工作走通。
A client could also ask first for a more sophisticated new interface, and if the object does not provide it, the client can ask for an "older" interface and provide a workaround.
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