出于同样的原因，防风窖必须有一个通风口。
For the same reason, tornado cellars must have an air opening.
只能汤姆或者蒂姆和你一起去，因为他们必须有一个留在家里。
Either Tom or Tim is going with you because one of them must stay at home.
它还必须有一个对每个人都公平的利润和薪酬结构。
It must also be done with a profit and remuneration structure that is fair to everyone.
一个执行的线程必须有一个执行堆。
你必须有一个成功的交易计划。
约会表单必须有一个起始日期字段。
我认为他们必须有一个路径。
必须有一个预定义好的有限方法列表。
每个元素必须有一个class属性。
我想我们必须有一个好的学习英语的方法。
属性集必须有一个类型。
与每一个写进程对应，必须有一个读进程。
There must be a reading process corresponding to each writing process.
目标表必须有一个主键。
配置Tomcat必须有一个服务器证书。
这意味着表必须有一个或多个列级或表级约束。
This implies that the table must have one or more columns or table-level constraints.
这个类不知道WSDL，但是它必须有一个名字。
每个准妈妈都必须有一个。
必须有一个类来初始化这个变量；代码见清单8。
There must be a class to initialize that variable; the code is shown in Listing 8.
在创建XML数据模型之前，首先必须有一个表单。
Before you create an XML data model, you must first have a form.
网关必须有一个公有、私有密匙对以及签名的证书。
The gateway must have a public-private key pair and a signed certificate.
主调用的方法必须有一个返回类型的注解。
参与关系的每个业务对象必须有一个与之关联的角色。
Each business object that participates in the relationship must have a role associated with it.
必须有一个合适的流程来支持上述生命周期。
A suitable process must exist to support the lifecycle described above.
任何生命要想坚强，都必须有一个让神进入的至圣所。
Every life that would be strong must have its Holy of Holies into which only God enters.
关键点在于每一个企业和项目中的工件都必须有一个起始。
A critical point is that every artifact in the enterprise and project streams must have an ancestor.
每个服务引用都必须有一个名称和一个服务接口。
Each service reference must have a name and a service interface.
每个输入控件必须有一个标签告诉用户这里需要输入什么。
Each input control must have a label that tells the users what they're expected to type into the box.
每个复合状态必须有一个策略可以定义该状态所适合的类型。
Each composite state must have a policy that defines which types it is suitable for.
每个复合状态必须有一个策略可以定义该状态所适合的类型。
Each composite state must have a policy that defines which types it is suitable for.
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