不过，如果整个数据项是可选的，那么就不需要进行验证。

If the overall data entry is optional, however, then validation need not occur.

youdao

在测试环境的安装期间，一些J2C身份验证数据项是使用缺省用户创建的。

During the installation of the test environment, some J2C Authentication data entries were created with a default user.

youdao

举例来说，当数据项在Web页面或5250屏幕中使用时，与数据项相关联的验证规则将触发验证的进行。

For example, validation rules associated with a data item trigger validation to be run whenever the item is used in a Web page or a 5250 screen.

youdao

举例来说，当数据项在Web页面或5250屏幕中使用时，与数据项相关联的验证规则将触发验证的进行。

For example, validation rules associated with a data item trigger validation to be run whenever the item is used in a Web page or a 5250 screen.

youdao