When the constructor is called, the fields being passed are checked to determine whether they match the expected fields, and an error is thrown if not.

在调用此构造函数时，字段将被传入，构造函数将检查字段来确定其是否与预期字段匹配，如果不匹配则抛出一个错误。

youdao

A little logic is necessary to prefill some types of fields after a form has been submitted and returned for error corrections.

在表单被提交并被返回以便修正错误后必需一个小逻辑来预先填充某些类型的域。

youdao

Validation error due to duplicate target fields.

因目标字段重复而发生的验证错误。

youdao

Nevertheless you repeated the centuries-old error of seeing savannahs, grasslands and prairies as worthless and empty, fit only for conversion to pastures and soyabean fields.

ECONOMIST: Letters