In some places, you may borrow as many books as you want, but in others you are limited to a certain number of books for several weeks so that you can have enough time to finish all the books you've borrowed.
在一些地方，你可以想借多少书就借多少，但在其他地方，你只限于借阅一定数量的书几个星期，这样你可以有足够的时间读完所有已借的书。
They had all been invited and each person who was invited has to bring with him a certain number of silver and gold coins.
他们都被邀请了，每个受邀的人都必须带着一定数量的银币和金币。
Writing a certain number of posts before your blog launch.
博客发表之前写出发表的确定数字。
At a certain number of connections, database performance degrades.
当连接数达到某一值后，数据库性能将开始下滑。
What ends up happening is it gives you this integral times a certain number.
结果是这个积分，乘以某个数。
In the real world you cannot 'fail' when you make a certain number of mistakes.
在现实生活中，没有规定说你说外语的时候错了多少次就算是不及格。
Admin command - takes a certain number of input parameters and executes the command.
管理命令——获取一定数量的输入参数，并执行该命令。
They allowed tourists to hunt only a certain number of animals if they paid the farmer.
如果旅游者支付农民钱的话，他们允许旅游者猎捕一定数量的动物。
If it were true, after a certain number of shaves, everybody's hair would be black.
如果它是真的，在一定次数的剃须之后，每个人的毛发都将会变成黑色的。
Because he believes you have to have a certain number of things that are going to happen.
因为他认为必须有某些事情，先要发生。
Many database servers only accept a certain number of connections, based on licensed capacity.
许多数据库服务器根据许可的容量，只接受一定数量的连接。
They must then provide a certain number of public payphones, as well as signing up subscribers.
尔后，他们必须拥有签约用户并且配备一定数量的公共付费电话。
After interpreting a code path a certain number of times, it is compiled into machine code.
在解释代码路径一定次数之后，会把它重新编译成机器码。
It is to say that validation can happen any time if there are a certain number of defects found.
也就是说只要找到一定数量的缺陷，随时可能发生确认的活动。
Every LPAR requires its own operating system image and a certain number of physical resources.
每个LPAR都需要自己的操作系统映像和特定数量的物理资源。
This shows that it is essential to maintain a certain number of houses to facilitate the flow.
这说明保持一定数目的空房，以利于周转是必要的。
And remember you don't need a certain number of friends just a number of friends you can be certain of.
请记住，你不需要一定数量的朋友，只要有一些你可以确定的朋友就够了。
The FT currently allows online readers a certain number of free articles before starting to charge.
目前，该报开始在线收费前，仅允许读者免费阅读有限的网络内容。
Others have theorized that certain words are mentioned a certain number of times as part of a coded message.
其他教授建立了理论，某些词语作为编码信息被提及了一定次数。
I will promise you a certain number of things, and if I deliver them, then you should begin to trust me.
我会对你们做出承诺，如果我兑现了承诺，你们就应该开始信任我。
Success is never instant, which means we're bound to go through a certain number of failures along the way.
成功永远不是迅速得到的，这意味着我们达到成功前将会遭遇一系列的失败。
The first player to collect a certain number of CARDS wins the game (depending upon the number of players).
首先收集到特定数量卡牌的玩家获胜(卡牌数量由玩家人数决定)。
Some like to write a certain number of words or pages every day, others were happy to write a page or a sentence.
我所介绍的这些作家们有些喜欢每天写上一定数量的字数或者页数，有一些只乐意写一页甚至一句。
An insurance company has reserves and it has enough reserves to cover them for a certain number of accidents.
一家保险公司有足够的保险储备金用来应对这些突发事件。
Each stock issue is limited to a certain number of shares, and when they are issued they are given a par value.
每种股票的发行是有限定数量的，当他们发布的时候他们会有票面金额。
Various experts will tell you to hold each stretch 15 to 30 to 60 seconds and repeat a certain number of times.
不同的专家都告诉你每个拉伸要保持15 -30- 60秒，要重复一定的次数。
Usually in XML formats, one has to specify that a certain element is optional, or appears a certain number of times.
一般而言在xml格式中，必须指定某个元素是可选的，或指定该元素出现的次数。
Usually in XML formats, one has to specify that a certain element is optional, or appears a certain number of times.
一般而言在xml格式中，必须指定某个元素是可选的，或指定该元素出现的次数。
应用推荐