（2）利好利空行业及标的梳理：短期油价暴涨下，利好以油价定价产品的替代品领域及受益于运费提升的细分行业，具体包括煤化工（华鲁恒升、宝丰能源）、气头化工、氯碱（中泰化学、新疆天业、君正集团）、钾肥（亚钾国际、盐湖股份、东方铁塔）等；利空偏终端的产品领域，如改性塑料等
Option.Arg returns the argument as a string, but there some helper
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Can compute perplexity over inputs (2 points)
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Six pregnant women participated in a small trial in which placenta-derived stem cells were applied to fetal spinal cords and the treatment was found to be safe.
"His children are very particularly sheltered.，推荐阅读爱思助手下载最新版本获取更多信息