求翻译：l、统编教材:语言规范，选材较好，并考虑到国情。但良荞不齐，应认真选择，且出版周期较长，缺少系统性，完整性。是什么意思？

l reunification textbook: language specification, material selection, taking into account national conditions. Good buckwheat arrhythmia, should be carefully selected, and the publication of a long cycle, the lack of systematic integrity.

正在翻译，请等待...

l, the series arrange the teaching material: The language standard, the selection is good, and considers the national condition.But good buckwheat is uneven, should choose earnestly, also the publication cycle is long, lacks the systematic characteristic, the integrity.

L, reunification and compiling teaching materials: a language specification, selection of good, and taking into account national conditions. But good buckwheat does not line up should be carefully selected and published a longer cycle, lack of systematic, integrity.

正在翻译，请等待...