| ประโยคภาษาจีน : 中文句子 | 
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|  dāng当  zhè zhǒng这种  qíng kuàng情况  fā发  shēng shí生时  jiù就  huì会  jiāng将  yuē shù约束  zhuàng tài状态  xiǎn shì显示  wèi为  huò或  fēn bié分别  duì yìng对应  shàng jiè上界  hé和  xià jiè下界  de的  qíng kuàng情况  tā它  hái还  huì会  xiǎn shì显示  biān jiè边界  zhí值  yě也  chēng wéi称为  jiǎ dìng假定  jià gé价格 | 
| When that occurs, glpsol shows the status of the constraint as either NU or NL (for upper and lower boundary respectively), and it also shows the value of the marginal, also known as the shadow price. |