| ประโยคภาษาจีน : 中文句子 | 
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|  bǎ把  kuàng jǐng矿井  suì dào隧道  kàn zuò看作  bō dǎo波导  lì yòng利用  yǒu xiàn yuán fǎ有限元法  fēn xī分析  le了  suì dào隧道  zhòng dì中的  guàn lóng罐笼  duì对  diàn cí bō电磁波  jié zhǐ截止  pín lǜ频率  de的  yǐng xiǎng影响  bìng并  dé dào得到  shù zhí数值  jiē guǒ结果 | 
| The effects of cage in mine tunnel on the cutoff frequency is analyzed by the finite-element method when the tunnel is regarded as a waveguide, and the numerical results are obtained. |