Stateful session beans maintain a "conversational state" with the client and are good for sets of related tasks that span multiple client requests.
有状态会话bean维护客户机的“会话状态”，适合处理那些跨越多个客户机请求的任务。
We can track the cached state of the client session by using a client cookie. Listing 1 puts it together
通过使用一个客户机cookie，我们可以跟踪客户机会话的缓存状态。
Storing session state in the client using HTTP cookies or hidden form fields has significant security risks — it exposes a part of your application internals to the untrusted client layer.
在客户端用HTTPcookie或者隐藏表单字段存储会话状态有很大的安全风险——它将应用程序的一部分内部内容暴露给了非受信任的客户层。
A stateless session bean maintains no state across any two method calls (services it provides), whereas a stateful session bean maintains a state that is related to the client.
无状态会话bean不维护任何两次方法调用(它提供的服务)之间的状态，但有状态会话bean维护与客户机有关的状态。
The client maintains only one piece of state—a session identifier of some sort.
客户机只维护其中一种状态 ——某种形式的会话标识符。
In fact, ideally, the client should never even need to know that routing is taking place — this leads to the very important consideration involving session or state management.
事实上，在理想情况下，客户端从来不必知道路由过程是否发生——这需要对会话或状态管理进行深入的研究。
This id is used to maintain server-side state associated with the client session across requests.
此ID用于在请求间维护与该客户端会话关联的服务器端状态。
Due to the limited bandwidth on the wireless network and the lack of support for "cookies" in most wireless gateways, it is not possible to push the user's session state from the server to the client.
由于无线网络的有限带宽，而且多数无线网关不支持“cookie”，所以将用户会话状态从服务器端推入到客户端是不太可能的。
Due to the limited bandwidth on the wireless network and the lack of support for "cookies" in most wireless gateways, it is not possible to push the user's session state from the server to the client.
由于无线网络的有限带宽，而且多数无线网关不支持“cookie”，所以将用户会话状态从服务器端推入到客户端是不太可能的。
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