| ประโยคภาษาจีน : 中文句子 | 
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|  běn本  kè tí课题  tàn tǎo探讨  fēn mǐ bō分米波  zhào shè照射  duì对  yí zhí移植  jìng mài静脉  de的  zuò yòng作用  jī zhì机制  shì tú试图  zhǎo dào找到  yì zhǒng一种  fáng zhì防治  yí zhí移植  jìng mài静脉  zài再  xiá zhǎi狭窄  de的  fāng fǎ方法 | 
| Some achievements were gotten but the mechanism of restenosis was not elucidated precisely and the most effective method to prevent and cure restenosis of the vein graft were not found. |