invalid data

基本解释

How do you keep invalid data from getting into your system?
如何才能阻止无效的数据进入您的系统呢？
Consider the code in Listing 15, which contains a form with invalid data.
考虑清单 15 中的代码，其中包含带有无效数据的表单。
If you add this type of constraint at development time, the schema validator will reject the invalid data at runtime.
如果您在开发阶段加入这种类型的约束，在运行的时候模式验证器就会拒绝无效数据。

The jury, Rubin contended, was misled by Judge Higbee's instructions which did not mention that U.S. Food and Drug Administration regulations do not require the submission of preliminary or statistically invalid data.
FORBES: Magazine Article