以下为句子列表：
英文: Many forecasting techniques which companies need greadtly among management and operating activities are difficult to popularize, one main reason of which is the difficulty in choosing scientific and reasonable forecasting models.
中文: 对于企业经营管理活动迫切需要的预测技术，难以广泛普及的因素之一就是预测模型能否科学、合理的选择。
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