If the file doesn't exist or there is an explicit request to refresh it, the code gets the list of details for all the AMIs at Amazon.
如果该文件不存在或者有明确请求要求刷新文件，则代码获取存储在Amazon上的所有ami的详细列表。
To suspend a process in such a way that it can be continued. A process may be directly frozen by an explicit request of its superior process or indirectly frozen because its superior has been frozen.
挂起一个进程的执行，需要时可以再继续的处理动作，一个进程可以被其上级进程的一个明确的请求直接冻结，也可以因其上级进程已被冻结而冻结。
In this case the publisher mediation requires an explicit list of subscribers and must actively send the request to each.
在这种情况下，发布者中介需要一个显式的订阅者列表并且必须主动地将请求发送到每个订阅者。
Darwin's request was denied, but his concern lives on today. More than half of the states in the U.S. have explicit limits on first-cousin marriages.
达尔文的要求被拒绝了，但是他的担忧如今仍存在，美国超过一半的州都对第一代表亲结婚进行了明确的限制。
A request message can be processed by any of multiple providers without explicit identification of the provider by the requester.
请求消息可由多个提供程序中的任何一个进行处理，请求程序不必显式地确定提供程序。
Since a single operation is used for this pattern, a reference to the address or the explicit address itself must be provided as a parameter on the request.
由于对这个模式使用单操作，对地址或显式地址自身的引用必须作为请求的参数提供。
After being created, widgets live until an explicit destroy request is executed.
创建后，小部件将一直存在，直到执行一个显式的销毁请求。
Semantic templates for Web services request and response will establish an explicit contract between the service provider and the service requester.
Web服务请求和响应的语义模板将在服务提供者和请求者之间建立一个明确的协议。
Just as you want to avoid explicit memory management in your applications, you do not want to have to deal with the low-level Ajax request protocols.
正如在应用程序中希望避免显式的内存管理一样，您亦不希望必须要处理低层的Ajax请求协议。
Interactions are considered peer-to-peer message exchanges (that is, a request with an explicit response, a request with no response, or a single one-way notification).
交互被看作是点对点的消息交换(也就是一条有显式响应的请求、一条无响应请求或者单独一条单向通知)。
If some of the request data is transferred in the SOAP header part of the request message, you can call this an explicit header.
如果这些请求数据在该请求消息的SOAP消息头部分中传送，那么用户就可以调用这个显式消息头。
It is often necessary for a server process to issue an explicit bind request before it can accept connections or start communication with clients.
服务器进程接受连接或启动与客户端的通信之前，发布显式绑定请求通常是必需的。
If that time expires, the resource instance might self-destruct without the need for an explicit destroy request from a client.
如果时间到了，资源实例就可能会自我销毁而无需来自客户端的显式销毁请求。
When a request for an explicit end-to-end federated trusted connection fails, warning SQL20360W is returned.
当请求显式的端到端联合可信连接失败时，返回警告SQL 20360w。
The autoplay attribute tells the browser to begin playing as soon as the page is loaded, without waiting for an explicit user request.
autoplay属性指示浏览器在装载页面后立即开始播放，而不等待明确的用户请求。
Explicit and lazy loading enables you to postpone the request for related object data until that data is actually needed.
借助于显式和延迟加载，您可以推迟对于相关对象数据的请求，直到实际需要数据。
Explicit and lazy loading enables you to postpone the request for related object data until that data is actually needed.
借助于显式和延迟加载，您可以推迟对于相关对象数据的请求，直到实际需要数据。
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