<prompt> Translate the following text to EnglishSehemu za mfumo ambazo zinaweza kupimwa kupitia sampuli zinaweza kujumuisha kuthibitisha kwamba rekodi ya elektroniki ya kupokea na kukubali ilitegemezwa na vyanzo vingine.  <response>: Aspects of the system that could be tested through sampling might include verifying that the electronic recording of receipt and acceptance was supported by other sources. 