空指针态引用故障在使用指针的程序中是普遍存在的，采用动态测试方法进行测试难以准确定位故障源。
Null pointer dereference fault is ubiquitous in the program with pointers. It is difficult to locate fault sources adopting dynamic testing method.
故障诊断程序采用模糊推理机制，能把故障快速定位到单板级。
Fuzzy reasoning was used in the fault diagnosis program. The system can locate fault at a single-board quickly.
内存泄漏故障在使用指针的程序中是普遍存在的，采用动态测试方法进行测试难以准确定位故障源。
Memory leak fault is ubiquitous in the program with Pointers. It is difficult to locate fault sources adopting dynamic testing method.
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