最近，根据外国媒体的报道可以了解到，美国一位高级政府人员透露了相应的消息，表示白宫将在最近几天公布禁止美国企业在华某一些先进行业投资敏感技术的细节。根据相应的报道可以了解到，对于这项行政命令，已经有了
I have some BigDecimal values which should be indexed for searching. Lucene has NumericField but it has setters only for long, double, float and int. I could store it as a 开发者_如何学PythonString bu
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