百亿和十亿级别的企业研发投入总和1.76 万亿元，以6.39%的企业总数（378 家），占到全部研发投入的六成（64.94%）。
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This means there may be a lot of objects of a few sizes.，推荐阅读爱思助手下载最新版本获取更多信息
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