The "validates_associated" method will check that all associated documents with the subject are valid.
“validates_associated”方法检查与这个主题相关联的所有文档是否有效。
Check: check to see whether the database is valid.
check：查看数据库是否有效。
You also check for the valid Angle range when setting the value.
在设置值时，需要检查有效的角度范围。
Check if the certificate is within a valid date.
检查证明书的日期是在一个有效的。
How can I efficiently check if a promotional code is valid?
我怎样才能有效地检查一个促销代码是否有效吗？
Check that the license file is valid.
检查许可证文件是有效的。
Check that references to an object property or method have valid object qualifier.
检查对对象属性或方法的引用是否具有有效的对象限定符。
Check whether the file is a valid ISO image.
检查文件是否是有效的IS O映像。
The command is not valid. Check the command and command switches.
命令无效。请检查该命令和参数开关。
Check the object's documentation and make sure the action is valid.
检查对象的文档并确保操作有效。
Check your credentials to make sure they are valid.
检查凭据以确保它们是有效的。
Check the assignment to make sure it is valid.
检查赋值语句确保其有效。
The paper size is not valid. Check the values for Width and Height under paper.
纸张大小无效。请在“纸张”下检查“宽度”和“高度”的值。
Traveler's check is not valid until they was countered sign.
旅行支票只有会签后才有效。
Lab test is the important method to check the valid of new theory.
模拟实验是检验理论有效性的重要实践手段。
Package is valid for complete hotel stay until Sep (last check-out date).
适用于 年月 日内完成酒店住宿（最后退房日期）。
Package is valid for complete hotel stay until Sep (last check-out date).
适用于 年月 日内完成酒店住宿（最后退房日期）。
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