运用沃纳模型(Warner model)随机化回答技术解决这一问题,并就该方法给出了无偏估计的证明和样本量的计算公式。
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warner model
沃纳模型
以上为机器翻译结果，长、整句建议使用 人工翻译 。
"The indications are that the internet is giving rise to huge operations like Amazon.com, Sony and Time Warner because the beauty of the internet (business model) is that it cuts out the middlemen, " he said.
BBC: VAT plan for 'virtual' internet sales
Time Warner came to be regarded as Mr Ross hoped it would be, as the model of the modern media company.
ECONOMIST: One house, many windows | The
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