The Lancastrian system was widely used in the 19th century to educate large numbers of students efficiently.
兰卡斯特制在19世纪被广泛用于高效地教育大量学生。
Students in the Lancastrian system learned through monitors who were former students.
在兰卡斯特制下，学生通过前任学生担任的监督员来学习。