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The paper showed the method of maximizing and minimizing a polonomial function in Wasan ,analyzed the mathematical basis and the principle of establishment for the method of extremum in Wasan. The paper also held that Takebe Katahiro’s(1664一1739) Fermat Method of extremizing a polynomial function had stemmed from the problem of equation of the center of the sun and the moon in Shoushi Li. Through the survey and the induction，Takebe Katahiro had acquired the genetal method of solving this kind of extremum problem.Takebe Katahiro’s method of determinating a stable point of a polynomial function had been the same as the Tekijinshokyuho in Seki Takakazu’s theory of equations ,which was just a coincidence in form. Based on the above-mentioned analyses ,the paper probed further into the reasons for the bud of variate mathematics in traditional mathematics in the Orient and the reasons why it had not been developed continuously.<br/>

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This article states historical perspective the outstanding contributions of Chinese famous physicist ,academician Hoff Lu ,in the field of Nuclear energy. It reinforces his international reputation as the "father of Nuclear in China".<br/>

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The writer was working hard on this book ,the point of view of treatise is quite new ,and the theme is also significant. But there is ,however ,a problem on basic method. When the writer applies doctor Jaki’s theory on the literature of Zhang Heng ,he neglects such a fact :there were many other similar literature at that period besides Zhang Heng’s ,such as literature of Ban Gu ,Zuo Si and so on. Therefore ,the theoretical construction of this book can't experience the deduction and consequence:if we apply Jaki’s theory on Ban Gu ,Zuo Si’s work，won’t we draw the conclusion that they were also great scientists?<br/>