All entities are required to have keys.
所有实体都必须具有键。
In ancient China, only family holds keys, so people have keys is "right" and "status" symbol.
在中国古代，只有家族的执掌人才拥有钥匙，因此钥匙是“权利”与“地位”的象征。
Do you have keys or identifiers that can be used for data matching across the participating systems?
您是否具有可用于跨多个系统匹配数据的键或标识符？
We don't currently have keys and locked chests, but... we're not completely opposed to them either.
目前我们还没有钥匙和上锁的箱子，但是…我们也不是完全反对有。
Do the security guards have keys and codes to all locks and alarms on doors, Windows, gates, fences, etc?
保安人员有所有门锁或者门上的警报，窗户，大门，护栏等的钥匙或者密码吗？
Since I have worked with the IBM Cloud, I have keys previously generated under Key; therefore, I am reusing one of these keys.
因为我用过IBMCloud，我以前在Key下生成过密钥；因此，我可以重用这些密钥之一。
Because complex types do not have keys, complex type objects cannot be managed by the Entity Framework apart from the parent object.
因为复杂类型没有键，所以实体框架不能脱离父对象来管理复杂类型对象。
I seem to have mislaid my keys.
我好像不知道把钥匙放在哪儿了。
Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.
只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。
They have to give so much thought and attention to the low-level mechanics of dribbling or fingering the keys or reading the music, that they are unable to give any thought to the thing that matters.
他们对顿音演奏、指法或读谱给予过多的思考和关注，以致于他们无法对重要的事物进行任何思考。
Have partitioning keys with the same number of columns.
有包含相同数量的列的分区键。
So, right now I have three keys, but they're all related to my one home: my building key, apartment key, and mailbox key.
因此我现在有三把钥匙，而他们都与我的家有关：我楼房的，公寓的，和邮箱的钥匙。
Have you the keys to those two doors?
您有那两扇门的钥匙吗？
Suppose the parent and child tables have different partitioning keys.
假设父表和子表有不同的分区键。
The dynamic relationship in this scenario correlates these four representations of customers that are basically the same customer but have different primary keys.
该场景中的动态关系可以关联这四种客户表示方法，它们表示了本质上相同的客户，但是主键不同。
Michelle: I have the car keys!
蜜雪儿：车钥匙在我手上！
As well as having primary keys, tables typically have some secondary keys.
除了具有主键以外，表通常还有一些辅键。
The elements of the array will have named keys, associated with the elements and attributes of the RSS file read.
此阵列的元素将具有根据被读取的RSS文件的元素和属性命名的键。
When both sets of keys have been created and copied into the right directories, you should be good to go.
创建这两组密钥并把它们复制到适当的目录之后，就准备好了。
Notice that they contain fields corresponding to the database table columns and that the primary keys and relationships have been set (Figure 19).
注意它们包含了与数据库表列，以及设置的主关键字、关系相对应的区域(图19)。
My car that was under the porch sits outside the gate but I have no keys to take the injured to hospital. And no road I suppose.
我的车就停在门外的走廊里，但我没有钥匙，无法将受伤者送往医院，可能也没有路，我想。
Rather than being perfectly square or rectangular, the keys have one rounded, curved side, giving them the look of a tooth or roof shingle.
不同于以往的正方形或者矩形，这些键有着圆弧形的边缘，使它们看起来像是牙齿或者瓦片。
Systems must allow a given customer to have multiple active API keys and de-activate individual keys easily.
系统必须允许一个指定客户端拥有多个活动的API密钥并能方便地让个别密钥失效。
Other creative individuals have used memory chips, keyboard keys, CPUs, power buttons, USB drives, and even miniature circuit boards.
其他创意个人使用的内存芯片，键盘按键，处理器，电源按钮，US B驱动器，甚至小型电路板。
Though symmetric keys have their disadvantages (primary among them being how to pass them among the trusted parties), the major advantage they offer is speed of encryption and decryption.
尽管对称密钥有自身的缺陷（主要是如何在互信的双方之间传递），它们最大的优点是加密解密的速度快。
I've decided that my goal is to have as few keys on my keychain as possible.
我早已下定决心，要让我的钥匙链上的钥匙尽可能的少。
They're looking for cars that have the keys left in them, are parked in a dark place or have been left running while the owner ran inside to get a cup of coffee.
合他们心意的汽车是钥匙扔在车里的、停在阴暗的地方的，还有车主去买咖啡没有关汽车的。
He realized that he didn't have his door keys.
他意识到他没有带大门钥匙。
He realized that he didn't have his door keys.
他意识到他没有带大门钥匙。
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