These problems were first discovered by Ton Spek during testing of the checking programs for the journal.

这些问题首先发现吨什佩克在为杂志的检查程序测试。

youdao

These problems were first discovered by Ton Spek during testing of the checking programs for the journal.

这些问题首先发现吨什佩克在为杂志的检查程序测试。

youdao