The propagation of laser is described by the paraxial wave equations, solved by the phase screen technique and the FFT method.

激光加熱引起的氣流擾動及氣體介質密度變化采用完全的Navier-Stokes方程描述，以便考慮各種不同因素的影響。

Carelessness in exams is not inborn , but developed with bad study habits . the irrational distribution of psychological capacity in the course of an examination , caused by bad study habits , restrains the sense perceptivity of reading and the productivity of mind , hence negligence and carelessness in exams

考試粗心不是由于先天因素造成的，而與后天學習過程中養(yǎng)成的不良的學習習慣有關，學習習慣不良引起的考試過程中心理能量的不合理分配日韩无码高清啪啪啪高潮，進而抑制了考試過程中的閱讀感知與思維加工，造成疏忽與遺漏欧美操女视频。

In PAUT, variations existing in the testing material and those in the system lead to phase and amplitude aberrations in ultrasound signal.

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The transition of source region from lithospheric mantle to asthenosphere indicates the thinning of lithospheric mantle and upwelling of asthenosphere caused by large scale strikeslip fault, which is the major controlling factor for decomposition melting of phlogopite in the metasomatized lithospheric mantle to generate the typeI ultrapotassic magmatism.

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The most common cause of moire is the interference between scanning lines and some other periodic structure such as a line pattern or dot pattern in the original scene, a mesh or dot pattern in the camera sensor, or the phosphor dots or other structure in a shadowmask picture tube.

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While, physiognomic quality is direct factor of purchasing desire.

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Ground subsidence caused by underground coal mining is a space-time process. Coal seam pitch is one of the most important factor which determine movement and failure forms of overlying rock and the level of ground movement and deformation.

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Directly demonstrate the substance superimposed image and prove the plane mirror formation of image.

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On the basis of the related essential glass transition theory,the main effects on glass transition temperature including composition,molecular weight and plasticization were debated.

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The STE dominated by the intrusion of stratospheric air has been testified as a cause of ozone enhancement in upper troposphere over East Asia at the end of March 2001. This STE relates to the surface high moving southward, the upper cold eddy deepening and drifting eastward, the convergence of Subtropical Jet and Polar Front Jet associated with the cold front, the increasing temperature gradient near the jets, and the enhancing baroclinic instability.

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