任一给定的服务类型有且只有一个服务实现。
There may exactly be only one service of a given service type.
你在家庭中所扮演的角色有且只有一个。
每个P 8objectstore有且只有一个数据库存储区域。
Each P8 object store has one, and only one, database storage area.
要记住，在任何时候，你的竞争对手有且只有一个，那就是你自己。
Remember, at any given moment, you are in competition with one person and one person only – yourself.
同理，要解决你所面临的问题有且只有一个“最好”的办法，“最好”的办法就是真理。
In the same way, there is but one BEST way of solving every situation that confronts you. That BEST way is the truth.
为了简化事情，假设每个candidate申请工作的department有且只有一个。 换句话说，就是重数为“1”。
You’ll simplify matters and assume that each candidate will have one, and only one, department to which they’ve applied for a job - in other words, a '1' multiplicity.
第一句有六个生动的形象，且只有一个短语“timeandchance”可以说是模糊。
The first sentence contains six vivid images, and only one phrase (" time and chance ") that could be called vague.
对项目有一个且只有一个集成流 。
验证每个总线有一个且只有一个总线成员，如下所示。
Verify that for each of the buses there is one and only one bus member as shown below.
老年人死亡原因有一个，且只有一个，那就是老年。
There is one, and only one, cause of death at older ages. And that is old age.
“一个三段论有且只有三个概念”是构成三段论的条件，不是三段论规则。
That a syllogism includes exactly three terms should not be viewed as a rule of a syllogism but a necessary condition for forming a syllogism.
“一个三段论有且只有三个概念”是构成三段论的条件，不是三段论规则。
That a syllogism includes exactly three terms should not be viewed as a rule of a syllogism but a necessary condition for forming a syllogism.
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