null value的例句大全

the value saved to the data source when the user specifies a null cell value.

当用户输入空单元格值时保存到数据源的值。

if the value of the courses property is null, seam looks for a@ factory annotation, again using the name of the property as a key.

如果courses属性的值为null，Seam就会再次使用该属性的名称作为键查找@Factory注释。

If you try to persist an object whose@ Id annotated field is null, then Morphia autogenerates an ID value for you.

如果您试图持久保存对象（其@Id注释的字段为null），则Morphia会为您自动生成ID值。

An empty or null array is not a valid return value.

空的或null数组不是一个有效的返回值。

If it is defined, as shown above, the value is returned, otherwise null is returned.

如果它得到了定义，那么如上所示，就会返回值，否则就会返回null。

Nulls are not matched to any value, including other instances of null.

空值不与任何值匹配, 包括其他实例的空值.