认定事实的主要证据不足的；

the main evidence for ascertaining the facts is insufficient;

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归纳企业在2008年未能通过认定的原因，大部分企业的关键问题是企业核心自主知识产权数量不足。

Summed up in 2008 failed to pass that the causes of the key issues of most enterprises is less than the number of independent intellectual property core.

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二是法官专业化程度较低，部分法官没有受过专业训练，业务能力较低，经验不足等都可能导致事实认定错误的发生。

A low degree of specialization of judges, some of them not subject to professional training, business is comparatively low, lack of experience and so may lead to the fact that the error found.

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