And the cause of the stabilization trouble is found by examining the trouble mechanism study and testing step by step.

通过故障检查、机理分析和逐级分析试验，最后找到了故障原因。

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The decision - a preliminary step in the French judicial process - was made by two examining judges, pursuing a series of related corruption cases, who questioned him at his home near Bordeaux in southwest France.

BBC: French ex-minister faces charges