The simplest type of cursor is the firehose, or forward-only cursor.
游标的最简单类型是流水型(firehose)或仅向前型游标。
Subsequent invocations move the iterator backward or forward by the required distance.
后续的调用会将迭代器前后移动指定的距离。
As such, consider making the frames play backward or forward in time depending on which button was clicked.
因此，帧在时间上是反向播放还是正向播放，取决于按下了哪一个鼠标按键。
These enable your applications to update individual column values, or to scroll through result sets backward or forward.
这些方法使您的应用程序可以更新单个的列值，或者前后滚动结果集。
Of course, you may redirect this output to a file for later analysis or forward it to a kernel developer for debugging purposes.
当然，您可以将这个输出重定向到一个文件以便将来分析，或者将其转发给一个内核开发人员进行调试。
To move upward or forward in a single quick motion or a series of such motions; leap.
跳，跃：以一种很快的动作或一系列的动作作向上或前进运动；跳跃。
When a page is navigated away from (either back or forward), an entry for the page is added to navigation history.
离开某页(向后或向前导航)时，将向导航历史记录中添加该页的一个条目。
This is a useful variable to employ when you have directional information to convey (up or down, backward or forward).
当我们有和方向有关的信息需要传达时(上或下，前进或后退)，方位是个很有用的变量。
The usual shift of the position of the same part of speech no matter backward or forward does not cause a great semantic difference.
从通常位置的角度来看，同一句子成分可以前后移位，这种移位，一般不会造成意义上的很大变化，但是修辞效果往往不同。
We're not supposed to, at my office, get personal emails at work, but sometimes my friends send or forward me messages to my work address.
在我的办公室里，我们不应该在工作中收发个人的邮件，但有时我的朋友们会把邮件发到我的工作地址上。
But other developers needed to manipulate a filesystem — to add personalized features (such as adding history or forward-caching) and enhancements.
但是其他开发人员需要熟练地操作文件系统以添加个性化特性(例如添加历史记录或转发缓存)及对其改进。
When the designated financial agency is entrusted by a client to buy and sell spot or forward foreign exchange, the client shall provide performance guarantee.
指定的金融机构受客户委托代办即期和远期外汇买卖时，客户应当提供履约担保。
Supply fluctuations due to natural disaster create instability in farm prices, but farmers can hedge against such instability by purchasing future or forward contracts.
自然灾害引致的农产品供给的波动最终会导致农产品价格的波动，但是农场主可以通过购买期货合约和远期合约来对冲掉风险。
After receiving packets, forward module will check out the interface of packets based on destination address, and according to the interface to send or forward packets.
转发模块收到报文以后会根据报文的目的地址查询转发表得到报文的出接口，并根据报文的出接口对报文进行上送或转发。
Article 7 When the designated financial agency is entrusted by a client to buy and sell spot or forward foreign exchange, the client shall provide performance guarantee.
第七条指定的金融机构受客户委托代办即期和远期外汇买卖时，客户应当提供履约担保。
For example, in the case where XML is used as a standard for data exchange, the application must provide backward or forward compatibility to older or newer versions of the standard.
例如，如果将XML用作数据交换标准，应用程序必须提供向前和向后兼容性，以支持较新或较旧的版本标准。
Because I can tell you now, after reading my fair share of books, that often the most helpful thing I have done in reading a particular book is to read the introduction or forward.
因为我现在在读了不少书之后可以告诉你，通常最能帮助我阅读一本书的，是它的前言或序言。
As evident in figure 6, there are buttons to navigate back and forth through the mail in your Inbox, mark the message unread, delete the message, send a reply, or forward the message.
如图6 所示，Inbox 中有几个按钮可以来回导航邮件、标记未读的邮件、删除邮件、发送回复或转发邮件。
To see a list of the last few pages you visited, click the small down arrow beside the Back or Forward button.
要查看刚才访问的网页列表，请单击“后退”或“前进”按钮旁边的向下小箭头。
To see a list of the last few pages you visited, click the small down arrow beside the Back or Forward button.
要查看刚才访问的网页列表，请单击“后退”或“前进”按钮旁边的向下小箭头。
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