Double click on the LogPrimaryFiles string value and modify the value as required to change the number of primary extents.
双击LogPrimaryFiles字符串值，并根据需要修改此值，以更改主扩展的数量。
The [key] annotation specifies that a property is the entity's primary key, while [StringLength (512)] specifies the maximum length of a string property.
注解所指定的属性是实体的主键，[stringlength(512)]指定了字符串属性的最大长度值。
The primary constructor, which is the body of the entire class, has a parameter list that takes a label string and a list of callback functions.
主构造函数，类的主题，有一个参数列表来接受标签字符串和回调函数的列表。
A component installed near the bottom of the casing string on which the cement plugs land during the primary cementing operation.
安装在套管柱底部附近的一个部件，在初次注水泥作业期间水泥塞坐放于其上。
Just in case this helps anyone, my problem was that I was trying to make my field that was going to be my primary key declared as a String.
以防这可以帮助任何人，我的问题是，我试图让我的是我的主键字段声明为一个字符串。
Just in case this helps anyone, my problem was that I was trying to make my field that was going to be my primary key declared as a String.
以防这可以帮助任何人，我的问题是，我试图让我的是我的主键字段声明为一个字符串。
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