你必须为该操作提供一个元素。
在你那样做之前，您必须先了解一下操作范围的概念。
Before you do that, you must learn about the concept of action scopes.
所有的厨房操作台都必须足够宽，以便有充足的空间准备食物。
All worktops should be wide enough to allow plenty of space for food preparation.
E级和A 级空域的区别在于，在 A 级空域，所有操作都需遵照仪表飞行规则，飞行员必须要有仪表等级，也就是说，要有操作航空仪表方面的技术和执照。
The difference between Class E and A airspace is that in Class A, all operations are IFR, and pilots must be instrument-rated, that is, skilled and licensed in aircraft instrumentation.
他必须成为一名熟练的无线电操作员，能够修理自己的设备。
He must become a skilled radio operator and be able to repair his own equipment.
必须是手工操作，而不是在键盘上打字。
但必须是手工操作，而不是在键盘上打字。
在操作主义视域下定义社会发展必须要转向具体的数量。
The definition of social development under the perspective of operationism must move to the specification of quantity.
重型运土设备使用时，操作人员只能看到有限的区域，因此，必须指派矿口监工随时警告操作人员在操作位置上无法发现的危险。
It is, therefore, essential that a banksman be appointed to warn the operator of hazards that cannot be seen from the operator's position.
针对该原因，我们必须假设关于这些操作使用的可能性越少越好。
For this reason, we must assume as little as possible about the use of these operations.
所有这些操作都必须在锁定情况下进行。
也就是说，它们必须执行那些操作。
您必须选择什么最适合当前进行的操作。
You must choose what best suits the operation being conducted.
所有更新操作都必须包含从检索获得的修订计数器。
All update operations must include the revision counter obtained from the retrieval.
操作输入必须包括一个资源的状态表示。
The operation input must include a state representation of the resource.
因此，操作系统必须尽可能占用少的空间。
Therefore, the operating system must be as thin as possible.
如果需要添加、删除或修改操作，则必须再次运行向导。
If you need to add, remove, or modify operations, you must run the wizard again.
方法行为的签名必须匹配其规格操作。
The signature for a method behavior must match its specification operation.
您必须在规则运行之前完成这些操作。
因此，数据库必须针对读写操作优化。
Therefore, the databases must be optimized for read and write operations.
规范的文本中定义了每个组件必须执行的操作。
What each component must do is defined in the text of the specification.
每个规则必须从匹配操作开始。
操作系统必须要能够确定更新频率。
The operating system must be capable of determining the update frequency.
因此，他们必须为企业的操作实现自动化。
As a result, they're driven to automate enterprise operations.
工人们必须阅读生产线的操作指南。
然后必须执行以下操作。
如果某个操作系统是32位的，那么所有操作系统都必须为32位。
If any of the operating systems is 32-bit then all of them must be.
此转换必须具有一个称为初始化操作的关联操作，如图10中所示。
This transition must have an associated operation known as the initialization operation, as Figure 10 shows.
系统管理数据源支持哪些操作，哪些操作必须由联合服务器提供补偿机制？
What operations are supported by the systems managing data sources and which have to be compensated by the federation server?
系统管理数据源支持哪些操作，哪些操作必须由联合服务器提供补偿机制？
What operations are supported by the systems managing data sources and which have to be compensated by the federation server?
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