Somewhat obviously, they can be used to check the validity of a block of data such as a journal transaction.

显而易见，这种方式也可以被用来检查写入数据(比如日志事务)的有效性。

youdao

Validity check (Default: basic validity check) : the validity check verifies that the data model follows the semantic rules for the model format.

validity check(默认值：basic validity check)：有效性检查，验证数据模型是否遵从模型格式的语义规则。

youdao

Does the routine check validity of input data?

函数是否检查了输入数据的合法性？

youdao

They forward spurious data to others before taking a moment to reflect on its worth or check its validity - the equivalent of passing on some scuttlebutt by word of mouth, but this time to thousands across the world.

CNN: BELIEVE IT OR NET