Databases like keys, so add a record key to each address_rec component, as in Listing 4.
数据库喜欢使用键，因此，添加一个记录键到每个address_rec组件，如清单4所示。
A few internal pockets help keep small items like keys and pens off the bottom of the bag.
几个内侧口袋可以用来放钥匙和钢笔等小东西，使它们不至于掉到包的底部。
Like the counting function, when several aggregations with grouping keys are used in a rule, the group and count operations must be cascaded as shown in figure 14.
与计数函数类似，当在一个规则中使用多个具有分组关键字的聚合，对分组与计数操作必须进行级联，如图14所示。
Like the man under the streetlight, I looked for my keys where the light was better.
和那个在路灯下找钥匙的人一样，我在光线好的地方寻找我的钥匙。
From the outside, it looks like the ripple of piano keys in the muscles under my skin.
从外表看，它看起来像是我皮肤下的肌肉泛起的钢琴键纹波。
A container can either support strings as its keys, like the root object itself, or can use integers as an alternate key system instead.
容器可以支持将字符串作为其键值，就像根对象本身一样，或者可以使用整数作为备选键值系统。
Admittedly, the quest is a bit like looking for lost keys where the light shines, rather than in the darkness.
诚然，这个探索有点像再有光照耀的地方而不是在黑暗之中寻找丢失的钥匙。
Like the root object, a container object is designed to maintain a list of keys and associate an object with each one.
与根对象一样，容器对象旨在维护键的列表并将某个对象与每个键相关联。
The script USES WLAN tools and utilities to configure device driver parameters like WEP keys and SSIDs.
这个脚本使用WLAN工具和实用程序来配置设备驱动程序参数，例如WEP关键字和SSID。
Set of three drinking cups shaped like famous three keyboard keys.
著名的三个键盘按键造型饮水杯组合。
These keys can be a concatenation of multiple columns, and often identifiers like Social Security Numbers, employee IDs, ISBNs, or part IDs are used in these roles.
这些键可以是多个列的并置，通常象“社会保障号”、雇员标识、ISBN或部件标识这样的标识用于这些角色中。
Of course, gloves are a lot more convenient for many things, like dealing with your car keys.
当然，分指手套能让你做很多事情，比如拿车钥匙。
Whenever you hear someone coming, you can quickly drop a few keys and you'll immediately look like you're working.
听到有人靠近时快速按下几个键，马上就会让人觉得你正在干活。
In fact, a Token is a special kind of dictionary — and is accessed in the fashion of a dictionary — so it can contain whatever keys you like.
实际上，一个Token是一种特别的字典——并且以字典形式访问——所以它可以容纳任何您希望的键。
You can also re-map the Alt and Ctrl keys (helpful if you're a Mactard like me) and you can set the keyboard to swap between Dvorak and normal-person mode.
你也可以重新设置Alt和Ctrl键(对像我这样的苹果迷特别有用)，让键盘在Dvorak和普通模式下进行切换。
The tree control is navigated via the arrow keys — just like a tree control in the Windows file manager.
树形控件通过箭头键导航——就像Windows文件管理器中的树形控件。
The project's tools include iwconfig to configure parameters like WEP keys and SSIDs in the WLAN driver.
这个项目的工具包括iwconfig用以配置参数(比如WLAN驱动程序中的WEP关键字及SSID)。
The same is true of foreign keys, like the one specified in the belongs_to association above.
对外键来说也是同样的，就像上面那个定义了belongs_to关联一样。
He said it would come with a full keyboard, for customers who didn't like the iPhone's virtual keys.
他还说新手机会有全键盘，针对不喜欢iPhone虚拟键盘的用户。
They can typically act on hard keys being pressed, like Android's search button and volume controls.
它们可以在被按下的硬式按键上提供典型的操作行为，比如说Android的搜索按钮和音量控制。
Something like this is a drastic change to db4o because it stores objects in a manner that keys off of classname.
像这样的更改对于db4o是比较大的更改，因为它需要根据classname来存储对象。
Query performance can be improved by leveraging like data types (i.e. INT32 to INT32) when joining foreign keys in a fact table to primary keys in a dimension table.
通过在将fact表中的外键与dimension 表中的主键进行连接时采用like数据类型（例如 INT32 to INT32），可提高查询性能。
If you are not a fan of the latest wave of touch screen smartphones, you may want to consider a phone like the BlackBerry Bold, which features an oversized, full keyboard with physical keys.
如果你并非最近流行的带触摸屏智能手机的粉丝，那么你不妨考虑一下黑莓Bold手机，它具有超大号的、带物理按键的全键盘。
The piano Forest logo may look like a simple text logo with trees above it, but if you take another look you will see that the trees actually represent keys on a piano.
钢琴之森的LOGO看起来只是简单的文字上面放上几棵树，但是再瞧一眼，你会发现这些树代表了钢琴上的琴键。
These keys look like a formatted random hexadecimal string (for example, C0B9FE13-179F-413D-8A5B-5004DB8E5BB2).
这些键看上去象格式化好的十六进制随机字符串(例如C0B9FE13- 179f - 413d -8a5b - 5004db8e5bb2)。
If you'd like to create foreign keys, which is a great idea, check the vendor documentation for your database or ask your friendly neighborhood database administrator (DBA).
如果愿意创建外键，当然很好，请参阅数据库厂商提供的文档或者咨询数据库管理员(DBA)。
Sequential Numbers are often used in OLTP-like applications to generate primary keys required by the relational model.
连续数字在oltp类应用程序中常常用于生成关系模型所需的主键。
It's like looking for your keys under the lamplight. They may not be there but at least it's easy to see.
这就像在灯光下找钥匙，钥匙可能不在那里，但至少你会一目了然。
It's like looking for your keys under the lamplight. They may not be there but at least it's easy to see.
这就像在灯光下找钥匙，钥匙可能不在那里，但至少你会一目了然。
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