Now a little bit later in the term, we'll get to the question of, how do we know what an appropriate number is?
我们在这学期之后的学习中，将会讲到我们怎么知道，这个恰当的数量是多少这个问题？
To understand this behavior, you need to know how many SELECT statements were run and the number of times you had to read the next row in the table (rather than a direct access through an index).
要理解这种行为，需要知道运行了多少个select语句，以及需要读取表中的下一行数据的次数(而不是通过索引直接访问)。
When product management wants to know how much it costs to build some set of features I just multiple the one of the figures in red by the number of story points the team has estimated.
当产品管理层想要知道构建某些功能需要多少成本的时候，我就用表中红色数字乘以团队估算出来的故事点数就可以了。
Do you know how to obtain an EIN (Employer Identification Number) for?
你是否知道怎样为自己的企业获得雇主许可号码？
Unfortunately, it won't work as a filter because it does not know how to handle the arguments that a CUPS filter must handle, namely, job id, user, job title, number of copies, and job options.
不幸的是，它不能作为过滤器工作，因为它不知道如何处理CUPS过滤器必须处理的参数：作业id、用户、作业标题、拷贝数量和作业选项。
You will do this in a number of different ways and different languages. Regardless of how you write your client application, the application has to know five things.
您将用许多种不同的方法和不同的语言来做这项工作。
Because all women know that age is not just a number - it defines us, shapes us, influences what we do, how we do it, and whom we do it with.
因为所有女人都知道年龄不只是个数字——它界定我们，塑造我们，影响我们的行为、行事方式以及与谁一起做事。
Its a big number, but it is impossible to know how many will loiter in your digestive system.
这个数字是很大的，但你不可能知道有多少真菌只是在你的消化系统中闲逛。
It's a big number, but it is impossible to know how many will loiter in your digestive system.
这个数字是很大的，但你不可能知道有多少真菌只是在你的消化系统中闲逛。
Without a user threshold policy, you do not know if the number of concurrent users is approaching the maximum and how many users have not logged off when they are done with the cloud service.
如果没有用户阈值策略，就无法知道当前的用户数量是否接近最大数量，以及有多少用户在使用完云服务之后没有退出。
Your child's height, weight and level of activity can influence how many calories he requires, but the exact number of calories isn't usually that important to know.
你的孩子的身高，体重，和活跃程度会他所需要的卡路里多少有所影响，但是多出的卡路里不用关注。
Show me, o Lord, my life's end and the number of my days; let me know how fleeting is my life.
耶和华阿，求你叫我晓得我身之终，我的寿数几何，叫我知道我的生命不长。
It's hard to know how credible that number is but that's a really low price.
这个数字是否可靠我们不得而知，但这个价格太低了。
Keep credit card photocopies while on the road (in a safe place), so you know the card number and how to contact the lost-or-stolen hotline in case of trouble.
复印你的信用卡，这样当你遇到麻烦了你知道信用卡号和挂失中心的电话。
Now you know how thickness and weight are measured, but what does that number have to do with quality?
现在你知道厚度和重量如何被测量，但是那数字跟品质有什么关系？
Once you’ve set up the words you want watched, a tiny number will appear on the “t” letting you know how many mentions the word has racked up.
当你设置要观察的关键字后，“t”按钮上会显示一个小小的数字，告诉你这个关键字被提到了多少次。
For example, if you want to know how a particular Maxima function works, you can simply type example (desolve) and it provides a number of example usages.
例如，如果希望了解某个特定的maxima函数是如何工作的，那么就可以简单地输入example (desolve)，然后它会提供很多样例用法。
"The actual number of people who we know of who went back to Iraq are 300 in Jordan, and 500 to 600 from Syria," he says. "But no one has exact figures of how many are actually here."
我们现在所掌握的情况是，大概有300人从约旦返回伊拉克，另有500到600人从叙利亚回到伊拉克，但没有人知道确切的数字，沙嫩说。
They only know what products are being ordered, the order number, and how much they received for the sale.
他们仅知道哪些产品被订购、订单号以及他们从销售中获得的金额。
Psychological research has focused on a number of basic principles that help memory; meaningfulness, organization, association, and visualization. It is useful to know how these principles work.
心理学研究集中在一些怎样帮助记忆的一些基本原则上，如意义。组织。理想和形象化。知道这些原则怎样起作用是很有用的。
Feelings of a few lines to know if the number of warm, lonely soul; one little hearts, how many wonderful achievements of marriage.
几行知心情话，温暖了多少孤寂心灵；一方小小情书，成就了多少美好姻缘。
"That's an awfully exact number, " says the tourist. "How do you know their age so precisely?"
“真是个不可思议的数字”游客说“你怎么知道得这么准确”。
Birthday Number 5, the most know how to go with the tide and they can keep aloof attitude.
生日数5的人最懂得如何顺应潮流而又能保有超然的态度。
This approach is ideal if you plan to distribute your resume to a number of employers but don't know what type of openings they have or how you would fit in the organization.
如果你打算向一些公司发送简历，而又不知道他们正在招聘哪些职位或者你如何进入那个组织，这是个理想的方法。
Shop assistants may be annoyed by the number-copying clan, but they are consumers and know how to save.
商店售货员们可能对“抄号”族很反感，但谁叫他们是消费者呢，他们也知道怎么省钱啊！
Shop assistants may be annoyed by the number-copying clan, but they are consumers and know how to save.
商店售货员们可能对“抄号”族很反感，但谁叫他们是消费者呢，他们也知道怎么省钱啊！
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