'enum': ['red', 'blue', 'green', 'yellow', 'purple', 'orange'],
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，这一点在safew官方版本下载中也有详细论述
Steven Frank, the co-founder of Panic, wrote this in 1999, with similar themes:
public TaskExecutor taskExecutor() {
（八）放射源，是指除研究堆和动力堆核燃料循环范畴的材料以外，永久密封在容器中或者有严密包层的放射性材料。