• 1. 系统数目: number systems
• 2. 数目系统: number system
• 3. 系统改变数目: system change number | SCN

更多释义

• 1.特斯德说全球各地分布的地热系统数目有限。
  Tester said there are a limited number of natural geothermal systems in relatively isolated spots across the globe.
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• 2.针对供试药物和系统数目的多少提出了两种方法：逐步组合法和择优组合法。
  Depending upon the number of solvent systems and drugs to be tested, two kinds of methods, "stepwise combination" and "combination by good choice", were provided.
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• 3.近年来，由于法兰连接系统数目的增加、工况条件的复杂性，法兰连接系统的故障率也不断的上升。
  In recent years, owing to the great number of flange joints and complexity of work condition, the failure rate of flanged joint system is increasing continuously.
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