每一次请求都要在网络上传输一些数据；如果请求未在服务器上发现任何更新，那么这个数据传输就是浪费的。
Each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.
第一次请求服务器上的ASP。
第一次请求可缓存的对象。
校长又一次请求增加学校实验设备，但又是一场空。
The principal made another vain appeal for better equipment in the school laboratory.
我再一次请求上帝原谅我，并且邀请他回到我的生命中来。
I asked God to forgive me once again and invited Him back into my life.
它为第一次请求创建数据源引用，并为后续请求使用此引用。
It creates the data source reference for the first time and USES that same reference for subsequent requests.
NET将动态编译页，并在用户第一次请求页时运行该页。
NET dynamically compiles pages and runs them the first time they are requested by a user.
他说，汽车制造厂家未成功说明这将是(他们的)最后一次请求。
He says they failed to make their case that this appeal will be the last.
返回到客户端的SWF文件通常被客户的浏览器在第一次请求缓存。
The SWF file returned to the client is typically cached by the customer's browser on first request.
当配置文件发生任何变化时，它将在下一次请求服务器时自动重载入。
When any changes are applied to the configuration file it will be reloaded automatically upon the next request to the server.
我第一次请求中发送的字符串leonardr存储在服务器的某个位置。
The string leonardr I sent on my first request was stored on the server somewhere.
例如，假设轮询配置为每20秒一次，就在一次请求刚刚从服务器返回时，发生了更新。
For example, let's say polling is configured to occur every 20 seconds, and just after a request is returned from the server an update happens.
前面已经提到过，Webservices在一次请求中最多可以查找五个邮政区码。
As mentioned earlier, the web service processes up to five ZIP code lookups in one request.
她在信中说她患了热病，将不久于人世，头一次、也是最后一次请求他去看望她。
She wrote that she was dying of a fever, and asked him to visit her for the first and last time.
有些情况下我们希望保存在一次请求期间获取的信息并将其用于同一会话期间的后来的请求。
In some cases we wanted to keep the information obtained during one request and use it in later requests during the same session.
REST通常从服务入口url开始形成一次请求，然后以查询字符串的形式追加搜索参数。
Typically, REST forms a request by beginning with a service entry URL and then appending search parameters in the form of a query string.
当用户下一次请求 foo.gif 时，会从Akamai缓存返回登录页面。
Next time a user asks for foo.gif, the response returns the login page from the Akamai cache.
对于低流量web应用程序来说，这可能导致缓慢的性能(第一次请求的等待时间超过5秒钟)。
For low-traffic web applications, this could lead to slow performance (more than 5 seconds waiting time for a first request).
每一次请求脚本时，它都会检查看请求方法是GET还是POST，然后采取相应的措施。
Each time the script is requested, it checks to see whether the request method is GET or POST and USES this distinction to decide the action to take.
驴很快就发现自己在砖地里要干更重的活，驮更重的东西。于是他再一次请求更换主人。
Shortly afterwards, finding that he had heavier loads to carry and harder work in the brick-field, he petitioned for another change of master.
因为边缘服务器缓存的资源要在下一次请求时返回，一定要确保缓存的数据表示资源的正确内容。
Since a resource cached by the edge server is returned in the next request, it is very important to make sure the cached data represents the correct content of that resource.
如果是第一次请求该内容，CloudFront会从S3下载内容并作缓存，然后分发给用户。
If this is the first request, the content is downloaded from S3 and cached on CloudFront then delivered to the user.
如果您的JVM被换出内存，那么在下一次请求到来时，GAE必须花费更多的时间来启动整个应用程序。
If your JVM is swapped out of memory, GAE must spend additional time to start your entire application the next time a request comes in.
此CityStateLookupWeb services在一次请求中最多可以接受五个邮政区码值。
This CityStateLookup web service accepts up to five ZIP code values in one request.
您可以简单地把它放在J2EE应用程序代码中，一直等到应用程序客户机向您的应用程序发出第一次请求。
You could simply put it in your J2EE application code and wait until an application client request first comes in for your application.
你不应该让每次可能的数据更新都持续的冲击你的服务器：为多于一千五百万个对象向服务器发送一次请求。
Instead of constantly bombarding your server with every possible data update, you send the server a request for more than 15 million objects.
除此之外，每一次请求都要在网络上传输一些数据，如果请求未在服务器上发现任何更新，那么这样的数据传输就是浪费资源。
On the top of that, each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.
例如，更改门户窗口状态为minimize或者maximize，将会向服务器提交一次请求，由于此操作整个页面都会得到刷新。
For example, changing the portlet window state to minimize or maximize will submit a request to the server, due to which the whole page is refreshed.
例如，更改门户窗口状态为minimize或者maximize，将会向服务器提交一次请求，由于此操作整个页面都会得到刷新。
For example, changing the portlet window state to minimize or maximize will submit a request to the server, due to which the whole page is refreshed.
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