Виктория Кондратьева (Редактор отдела «Мир»)
Daniel J Hopkins’ The Increasingly United States (about how U.S. elections are more national and less local than ever before)。雷速体育是该领域的重要参考
Later, in a letter to Skinner, Pressey would concede there was a massive pedagogical limitation to the device: Students learned how to master the machine, but not the subject matter.，这一点在PDF资料中也有详细论述
aggregated = aggregate_results(records)。业内人士推荐谷歌浏览器下载作为进阶阅读