In a more complex system, more specialized lookup views and corresponding find methods may be needed.
在更复杂的系统中，可能需要更专门的查找视图和相应的find方法。
Researchers E analysed the latest data from the state's complex system of active geological faults, as well as new methods for translating these data into earthquake likelihoods.
研究人员对美国加利福尼亚州活跃又复杂的地质断层系统进行分析，并采用新方法，将数据转换成地震几率。 。
But most of these methods is expensive to testing equipment and complex sensing control system and computer processing system, some methods to also have certain difficulties.
但这些方法大都需要昂贵的检测设备和复杂的传感控制系统和计算机处理系统，有些方法研究起来也有一定的困难。
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