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There are two stages: rough adjustment and careful adjustment. During rough adjustment: the laser optical axis is considered as the normal axis of measurement optical path, and the coaxal measurement system is established. During careful adjustment: the tilt coefficient of WYGO interferometer is considered as the adjustment standard to adjust the objective, so the actual result of the object surface quality is ensured.

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This dissertation investigates the construction of pseudo-random sequences (pseudo-random numbers) from elliptic curves and mainly analyzes their cryptographic properties by using exponential sums over rational points along elliptic curves. The main results are as follows:(1) The uniform distribution of the elliptic curve linear congruential generator is discussed and the lower bound of its nonlinear complexity is given.(2) Two large families of binary sequences are constructed from elliptic curves. The well distribution measure and the correlation measure of order k of the resulting sequences are studied. The results indicate that they are "good" binary sequences which give a positive answer to a conjecture proposed by Goubin et al.(3) A kind of binary sequences from an elliptic curve and its twisted curves over a prime field F_p. The length of the sequences is 4p. The "1" and "0" occur almost the same times. The linear complexity is at least one-fourth the period.(4) The exponential sums over rational points along elliptic curves over ring Z_ are estimated and are used to estimate the well distribution measure and the correlation measure of order k of a family of binary sequences from elliptic curves over ring Z_.(5) The correlation of the elliptic curve power number generator is given. It is proved that the sequences produced by the elliptic curve quadratic generator are asymptotically uniformly distributed.(6) The uniform distribution of the elliptic curve subset sum generator is considered.(7) We apply the linear feedback shift register over elliptic curves to produce sequences with long periods. The distribution and the linear complexity of the resulting sequences are also considered.

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In a seasonal epidemic, it can spread worldwide and lead to a huge impact on the economy and society. The global burden of inter-pandemic influenza may be on the order of 1 billion cases, including 3~5 million cases of severe illness and 300,000~500,000 deaths annually. Vaccination is considered the most effective and cost-effective method to lower the mortality and morbidity associated with influenza.The use of continuous cell lines for influenza virus antigen production can be considered an attractive alternative to embryonated chicken eggs for several reasons. Firstly, influenza viruses propagated in animal cells usually resemble the original isolate more closely than do viruses propagated in eggs.

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Called glycolaldehyde , the sugar molecule is considered a life ingredient because it can react with a substance called propenal to form ribose , a central constituent of ribonucleic acid, which is similar to DNA and considered one of the central molecules in the origin of life .

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Based on Chaboche's Continuum Damage Mechanics Model, this study suggested low-cycle fatigue damage model under nonproportional loading, in which maximum shear stress and mean hydrostatic stress are considered as two basic parameters and nonproportionality of loading path is considered as a damage parameter to enter damage evolution equation which may well describe damage evolution law of low-cycle fatigue under nonproportional loading.

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At this stage, election is considered as with oligarchic nature, because some people can succeed easily with their origin or wealth, while discourses, speeches, and discussion are considered as with democratic essence.

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After interpreting natural earthquakes since 1953,the author also did a exploratory research on the lithospheric tectonic relationship of South Tienshan orogen,and considered in west and east side,West Kunlun orogen and Tafim block,and considered that Tarim block subducts beneath the West Kunlun orogen and South Tienshan orogen in two direction;In Pamir area,a syntaxis formed with the West Kunlun orogen obducts upon the South Tienshan orogen,and result in the two great orogens that rejuvenated during Cenozoic and the subduction and jointing relationship of the two orogens and Tarim block,showing a specific basin-and-range coupling system.

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