Three samples of the finished product with the Certificates of Analysis for the finished product, active ingredients and excipients.

三个与成品，活性成分和辅料的分析证书成品样品。

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First, through analysis of actual data, this paper validates and certificates the self-similarity of article number sequence.

首先，对实际数据进行分析，验证和证明文章数序列的自相似性特性。

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Technical instruction and consultation, training, product maintenance, spare parts et... Related analysis reports and quality certificates can be provided based on the requirements of the contracts.

为客户提供技术咨询、技术指导、技术培训和产品维修、备品备件等等；按合同要求提供相应的分析报告、质量证明等等。

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Stuxnet's creators are likely, according to the analysis produced by security firm Symantec, to have needed to get hold of SSL certificates in order to create files that had been "digitally signed to avoid suspicion".

BBC: Are secure websites still safe?

Analysis of the attack reveals that someone got access to the computer systems of one firm that issue certificates.

BBC: Iran accused in 'dire' net security attack