在文章的第二部分，我们考虑了双超几何项的递推公式。
In part II, we consider the recurrence formula of double hypergeometric terms.
建立了超线性二阶三个边值问题的一个正解存在定理。这里，非线性项是下有界的并且不需要是非负的。
An existence theorem of positive solution is established for a superlinear second-order three-point boundary value problem. Here, the nonlinear term is bounded below and need not be nonnegative.
该技术申报专利二十多项，其中有六项发明专利，有二项专利无形资产连城评估，无形资产价值超亿元。
The technology to declare the patent number twenty, which has six invention patents, two patents in assessment of intangible assets, intangible assets value exceeds 100 million yuan.
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