def METHOD_NAME(self):
    NF = int(self.format['No_Fractures']) # 裂缝个数
    NN = int(self.format['No_Nodes']) # 节点个数
    NP = int(self.format['No_Properties']) # 性质个数
    self.unknown = np.zeros((NF, 3), dtype=np.float) # 未知属性
    self.node = np.zeros((NN, 3), dtype=np.float)
    self.fracture = np.zeros(NN, dtype=np.int)
    self.fractureLocation = np.zeros(NF+1, dtype=np.int)
    self.prop = [] 
    start = 0
    for i in range(NF):
        self.cline += 1 # 移到下一行
        line = self.lines[self.cline]
        words = line.split()
        index = words[0] # index of the fracture
        self.unknown[i, 0] = float(words[3])
        self.unknown[i, 1] = float(words[4])
        self.unknown[i, 2] = float(words[5])
        NV = int(words[1]) 
        n = int(words[2]) # 属性组数
        for j in range(NV):
            self.cline += 1
            line = self.lines[self.cline]
            words = line.split()
            self.node[start, 0] = float(words[1]) # drop words[0]
            self.node[start, 1] = float(words[2])
            self.node[start, 2] = float(words[3])
            self.fracture[start] = start
            start += 1
        self.fractureLocation[i+1] = self.fractureLocation[i] + NV
        prop = np.zeros((n, NP), dtype=np.float)
        for j in range(n):
            self.cline += 1
            line = self.lines[self.cline]
            words = line.split()
            prop[j, 0] = float(words[1])
            prop[j, 1] = float(words[2])
            prop[j, 2] = float(words[3])
        self.prop.append(prop)