硬盘数据错误、心跳检测和重新复制。

Data Disk Failure, Heartbeats and re-replication.

youdao

减少数据错误(从而提高用户满意度)。

Reduce data errors (thus increasing user satisfaction).

youdao

此外，在测试前确保数据设置的完整性和正确性可以避免由于数据错误导致的测试失败，从而降低测试成本。

Also, ensuring that the data set-up is complete and correct prior to testing would avoid test failures due to data errors and thus reduce testing costs.

youdao

Number one, the basic structure is that you have a pointer and it points over to a pointee, but the pointer and pointee are separate and the common error is to set up a pointer but to forget to give it a pointee.

第一，基本结构是，你有一个,指向数据的指针，但是那个指针和数据,是分开的，通常错误是声明了一个指针,但是没有指向一个数据。

哈佛公开课 - 计算机科学课程节选

In particular, a very common thing people do with data is they extrapolate.

这种错误，在数据预测时,很常见。

麻省理工公开课 - 计算机科学及编程导论课程节选