Note, however, that large objects can be passed to the UDR as arguments.
然而，需要注意，可以将大对象作为参数传递给UDR。
A functional index cannot be created on a UDR that returns a large object.
不能针对返回大对象的UDR创建函数索引。
A functional index is created on values returned by a User Defined Routine (UDR).
函数索引是根据用户定义例程(User Defined Routine,UDR)返回的值创建的。
Here the term UDR is used generically to refer to functions that return a value.
这里的udr一词通常用来指代返回值的函数。
This demonstration VTI UDR shows only four of the complete set of purpose functions.
该演示VTIUDR仅显示完整的目的函数集中的4个。
You will need to implement all of the remaining purpose functions for a complete VTI UDR.
您将需要为完整的VTIUDR实现所有其余的目的函数。
The DataBlade API provides functions, called the fastpath interface, to call another UDR.
DataBladeAPI提供一些称为fastpath接口的函数来调用另一个UDR。
A UDR used by a functional index cannot have arguments that are collection data types.
如果将某个UDR用于函数索引，则该U DR不能使用集合数据类型作为参数类型。
You must explicitly specify NOT VARIANT when you define a UDR that is used for a functional index.
当定义udr并将之用于函数索引时，您必须显式将其指定为NOTVARIANT。
There are limitations on the number of arguments that can be passed to a UDR used by a functional index.
对于用于函数索引的UDR，传递给它的参数在数量上有所限制。
When each functional index is created, its associated UDR is executed to pre-process the images and store the results as the index key.
在创建函数索引时，将执行与其相关的UDR来对图像进行预处理，并将结果作为索引键保存。
This means that the UDR always returns the same value for given argument(s), and that the UDR does not modify the database or variable state.
也就是说，对于给定的参数，UDR始终返回相同的值，而且 UDR不能修改数据库或变量状态。
An excellent control system is the foundation of the UDR, reliability and stability of it reflect the quality of UDR clearly, and affect the imaging effect as well.
机械控制系统是否稳定运行不仅直观反映出产品性能的优劣，也会间接影响图像的成像质量，因此机械控制系统在整个udr系统中有着举足轻重的作用。
The UDR Series High Temperature Refrigerated Air Dryer provides clean, dry, compressed air for auto body repair shops, auto service centers, dental offices, and small manufacturers without more…
在尿嘧啶核苷系列高温冷冻式干燥机用于汽车车身修理店清洁，干燥，压缩空气，汽车服务中心，牙医诊所，也没有更多的小制造商…
The UDR Series High Temperature Refrigerated Air Dryer provides clean, dry, compressed air for auto body repair shops, auto service centers, dental offices, and small manufacturers without more…
在尿嘧啶核苷系列高温冷冻式干燥机用于汽车车身修理店清洁，干燥，压缩空气，汽车服务中心，牙医诊所，也没有更多的小制造商…
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