A BEGIN event happens when the request first comes in.
当请求第一次传入时，即发生BEGIN事件。
First the function gets the request object.
首先，函数获得请求对象。
The client computers first request access to the exported data by mounting the file system.
客户端计算机首先通过挂载文件系统请求访问导出的数据。
Clients can request certain resources to be delivered first.
客户端可以请求优先传递某些资源。
First, you group the associated request URIs into a transaction class (see Figure 3).
首先，把相关联的请求uri分组在一个事务类中(见图3)。
On a read request, first check the cache.
对于读取请求，首先查看缓存。
First, the data in your request must be manually formatted as XML.
首先，请求中的数据必须手工格式化为xml。
You have just created your first request.
您已经创建了您的首个请求。
First, you might want to allow users to access the VXML through a POST request.
首先，您可能想允许用户通过POST请求访问VXML。
To respond intelligently to a change request, you must first understand the reasons for it.
巧妙的响应一个变更需求，您需要首先了解变更的原因。
Let's first take a look at the request shown in Listing 1.
我们首先看看清单1中的请求。
The meaning of the headers is the same as for the first request.
头信息以之前请求中的意义相同。
First, we show the key elements contained in the logging request message.
首先，日志请求消息中包含的关键元素如下所示。
First, request the namenode to format the DFS file system.
首先，请求namenode对DFS文件系统进行格式化。
The string leonardr I sent on my first request was stored on the server somewhere.
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。
First, the request enters the execute method in the SearchAction class.
首先，该请求输入searchaction类中的execute方法。
The accept call first validates the arguments and waits for a connection request to arrive.
accept调用首先验证参数，并等待要到达的连接请求。
In the first bold line, OpenIdLoginPage sends back a successful request.
在第一行粗体代码中，OpenIdLoginPage发送回一个成功的响应。
Select first request (the first line/node in the expanded page).
选择first request (被展开页面的第一行/节点)。
Next, the first request is then processed by that server.
接下来，由该服务器处理第一个请求。
So after the first time you run this code, the bucket create request is ignored.
因此在第一次运行此代码后，桶的创建请求将被忽视。
The first request we made was the login request.
我们发出的第一个请求是登录请求。
For the first request, you will need to enter your credentials.
如果是第一个请求，您需要输入证书验证。
The first indicates that your service request has been accepted.
第一封指出您的服务请求已经被接受。
Next, we can build the SIP INVITE request and send it to the first server.
接下来，我们将构建SIPINVITE请求，并将其发送到第一台服务器。
We will first create a simple request-response operation.
首先，我们要创建一个简单的请求-响应操作。
Expand this and select the first request, as shown in Figure 19.
展开它并选择第一个请求，如图19所示。
The first part of the code creates the request message using AXIOM.
代码的第一部分使用AXIOM创建请求消息。
The first component of the authentication process is the challenge request.
认证过程的第一部分是询问请求。
The first component of the authentication process is the challenge request.
认证过程的第一部分是询问请求。
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