求翻译：首先根据式（2）检验高技术产业专利产出是否是产值增长的格兰杰原因，再根据式（3）检验高技术产业产值增长是否是专利产出的格兰杰原因。是什么意思？

According to equation (2) inspection and high-tech industry patent output, if output growth Granger cause first, and then according to equation (3) inspection and high-tech industry output growth Granger causes of patent output.

Based on first-line (2) test high-tech industrial patent output is output growth of Granger, in accordance with (3) test high-tech industry is a growth of output patent output of Granger.

First examines the high-tech industry patent according to type (2) to deliver whether is the Grainger reason which the output value grows, again examines the high-tech industry output value according to type (3) to grow whether is the Grainger reason which the patent delivers.

First by type (2) tests whether the patent output of high-tech industry output growth of Grainger is the reason, and (3) to test whether the high-tech industrial output growth causes is the patent output of Grainger.

正在翻译，请等待...