I only use text messages once in a long while.
很长时间内仅使用过一次文本消息。
Therefore, it is useful to get the data only once, cache it, and have all other components use the cached data, instead of accessing the backend system again.
因此，只一次获取数据，对数据进行缓存，并让所有其他组件使用该缓存的数据，而非再次访问后端系统，这是很有益的。
Dataflow variables may only be bound once, so their use is limited.
数据流变量可能仅被绑定一次，因而其使用是有限的。
For example, you'll have plenty of results that have only been used once; you want to filter these out because just one use of a search term doesn't really show a trend.
例如，可能有很多结果只是用过一次，你应该将这些结果过滤掉，因为用过一次的结果并不能真是的反映出趋势。
If you use a prompt button to submit your prompt selections, you can submit several prompt choices at once and only rerun the reports once.
如果您使用一个提示按钮来提交您的提示选择，那么您可以一次提交多个提示选择，但只重新运行这些报表一次。
But every once in a while, the use of a word like "still" or "only", stuck in an other boilerplate sentence, will signal actual news.
但是，时不时的，像“依然”“仅仅”这样的词被放进另一个文件句子中时，就将会传递新的实质性的新闻信息。
At this stage only use the free options. You can always upgrade later on once you earn money to score even better paying jobs.
初始阶段只选那些免费的项目，一旦你赚钱了，你随时可以“晋级”以争取更高报酬的工作。
Don’t buy a tool you are only going to use once.
不要买你只会用一次的物品。
You'll use very little memory or time to process the XML, and if you really do only use a piece of data once or twice, you'll get huge benefits from this approach.
使用它处理XML只使用很少的内存和时间，如果确实只需要使用一条数据一到两次，则此方法可让您获益巨大。
Once a biological sample was obtained, its use must be limited to generating a DNA profile only, and afterward the sample would be destroyed.
生物样本获得以后，只能用于录入DNA档案，之后样本必须销毁。
One other weakness is that HTTP authentication makes no provision for how to establish the name and password used for a login, only for how to use them once they have been created.
另一个缺点是HTTP身份验证没有限制如何建立登录名和密码，它只控制如何使用登录名和密码。
Once you have ensured that client authentication is in use, you need to ensure that only trusted Web servers can contact the Web container.
一旦确保了正在使用客户机身份验证，就需要确保只有可信的Web服务器才能联系 Web 容器。
This test asserts that the network client is only used once by simply throwing an error from the network stub after the first use of it.
测试断言，网络客户端只被调用了一次，第一次使用之后网络stub就简单地抛出错误。
About 40% of all iPhone users use about 4 to 6 apps at least once a week. Only about 5% use more than 20 apps per week.
大约40%的iPhone用户拥有4到6款每周至少使用一次的应用程序，而只有5%的人每周使用超过20款应用。
39% of the it pros reported logging into social networking sites at least once per day with only 13% saying they never use Twitter, Facebook, or LinkedIn.
报告中表示，39%的it人士每天至少登录一次这些网站，而只有13%的人称他们从来不使用Twitter、Facebook或LinkedIn。
You want to populate the control only when the page is initially requested, so you use the page's IsPostBack property to ensure that it's loaded only once, not when the page is refreshed or reloaded.
要想仅当页面最初被请求时填充控件，需要使用页面的 IsPostBack属性，以确保页面只加载一次，而不是页面刷新或者重载。
The only difference in the content model is that once you place a section in the body, you can use only sections or examples.
内容模型中惟一的区别是，一旦在body 中使用了section，那么就只能使用section或者example。
It's also advisable to use another wrapper to ensure that info.h is generated only once.
另外，最好使用另一个包装器来确保info. h只生成一次。
Use QoS 2 when a message is to be delivered once and only once.
当消息仅传递一次时，使用QoS2。
This means that under ideal situations, you might only need to run the selection once, with the ability to daisy-chain your functions together, or cache the results for future use.
这意味着在理想的情况下，您仅需要运行选择器一次，并且能够轻松地将所有函数连接在一起，或缓存结果供以后使用。
Some say that once the costs of power generation are factored into the equations, electric cars are only half as efficient with regard to energy use as modern diesel vehicles.
有人认为，一旦将发电成本综合考虑在内，在能源使用方面，电动汽车的效率只能达到目前现代柴油车的一半。
Rather, the consumer only needs to query UDDI once and then can safely cache the proxy's address and use it to invoke the service repeatedly.
更确切地说，使用者只需查询uddi一次，然后就可以安全地缓存代理的地址，并且重复地使用它来调用服务。
The same goes for any classes transferred over RPC; you only need to code them once and you can use them both client and server code.
跨rpc传递的任何类都适用这种情况；只需要编码一次，就可以将它们用在客户机和服务器代码中。
If transaction logging is used for backups, use this switch only before the full backup schedule (once a week).
如果事务日志用于备份，只在完全备份计划(每周一次)之前使用此开关。
Once you start to use them regularly, they become the only way you program.
一旦开始有规律地使用这些技术，它们就会变成您进行编程的惟一方法。
Figures from the RAC Foundation, a motoring lobby, suggest that only a fifth of the population use trains more than once or twice a week.
来自皇家汽车俱乐部(一个汽车团体)的数据表明，全国只有五分之一的人每周乘坐列车出行的次数多于一次或两次。
Notice, as you can see in the examples, it is only necessary to use the XML2CLOB function once, at the outer level.
注意，正如您从示例中可看到的，仅需要在外层使用一次xml2clob函数。
A related governance practice is to only certify a service for use once it has been verified that its automated integration test suite exists and is being maintained.
相关的治理实践只能保证，如果已证明自动化整合测试套件存在并且受到维护，那么服务可用。
A related governance practice is to only certify a service for use once it has been verified that its automated integration test suite exists and is being maintained.
相关的治理实践只能保证，如果已证明自动化整合测试套件存在并且受到维护，那么服务可用。
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