| (subclass EconomicDevelopmentLevel EconomicAttribute) | Economy.kif 106-106 | 子類 經濟發展水平 and 經濟屬性 |
| (subclass UNEconomicDevelopmentLevel EconomicDevelopmentLevel) | Economy.kif 117-117 | 子類 聯合國經濟發展水平 and 經濟發展水平 |
| (subclass WorldBankGNIPerCapitaLevel EconomicDevelopmentLevel) | Economy.kif 415-415 | 子類 世界銀行人均GNI水平 and 經濟發展水平 |
| (subclass IMFDevelopmentLevel EconomicDevelopmentLevel) | Economy.kif 515-515 | 子類 IMF發展水平 and 經濟發展水平 |
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