According to a comprehensive investigation, 17 common characteristics like "the convergence of voiced consonant and voiceless consonant" are found in pronunciation in Gan dialect. 通过全面考察得知:江西赣方言语音有全浊声母与次清声母合流等17个方面的共同特点;
How to pronounce the voiceless sound, the voiced sound, the hard and soft sound, fricative and sound group with consonant is difficult for Chinese students. 俄语的软硬辅音,清浊辅音,擦音,嘘音,擦辅音和塞辅音及部分语音组合都是中国学生较难掌握的。