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- Based on the ABCD matrix and Gaussian beam propagation theory, the Gaussian beam transforming formulas through a parabolic defocusing GRIN fiber lens are derived. 本文根据ABCD矩阵和高斯光束传播理论,导出高斯激光束经抛物型发散梯度折射率纤维透镜的变换公式。
- Based on the explosive stress propagation theory and Greffiss rupture crash degree theory, the maxium detonation dose per time is deduced. 根据爆炸应力传播理论和格里菲斯断裂破损度理论，反算最大一次起爆药量；
- On the basis of error propagation theory, the precision of quality control points of jacket is studied and the precision specifications are derived from general dimensional tolerance in jacket fabrication. 摘要文章根据误差传播理论，对导管架质量控制点本身的精度进行探讨，并由导管架制造完工尺寸公差要求，导出控制点应达到的精度指标。
- Based on the propagation theory of the longitudinal wave in the pile, the present paper presents a technique for determining such parameters as back-and-forth time of reflection wave and apparent reflection coefficient. 摘要本文以纵波在杆中传播的理论为根据，介绍一种用于确定反射波往返时及视反射系数等参数的方法。
- By the study of Flame Propagation Theory and Flame Stability Theory, backfire and yellow flame can be avoided by regulating the speed of flame propagation and exit velocity of mixture current at orifice. 通过对火焰传播理论和火焰稳定性理论的研究，综合调节火焰传播速度和火孔处混合气体的气流出口速度，不仅能保证煤制气燃烧时不回火而且燃烧完全，使黄火少甚至可以没有黄火。
- From the propagation theory of partially coherent light, spectral anomalies and spectral switches of Gaussian Schell-model beams focused by an astigmatic aperture lens are studied. 从部分相干光的传输理论出发,研究了高斯谢尔模型光束通过光阑像散透镜聚焦的光谱异变和光谱开关。
- The outcomes enrich the propagation theory of shock wave and provide an academic basis for the safety assessment of gas explosion and the measure establishment of disaster prevention and reduction. 研究成果丰富了瓦斯爆炸冲击波传播规律理论，对井下瓦斯爆炸安全评价以及制定防灾减灾措施提供了理论基础。
- When the shock wave is formed, the propagation velocity of the two peak values of explosion wave, become nearer and nearer, that is reciprocally authenticated with the explosion propagation theory. 形成激波后,爆炸波两峰值往下游传播越来越靠近,测试结果与爆炸传播理论是相互验证的。
- His theories were discredited by scientists. 他的理论科学家很怀疑。
- Don't be led astray by false theories. 不要被错误的理论引入歧途。
- It is the translation of theories into practice. 这是理论到实践的转变。
- By using the propagating theory of elastic wave the attenuation mechanisms of the elastomer with cylindrical bores is analyzed. 摘要应用弹性波在带圆柱通道橡胶体内传播的理论，分析了穿孔橡胶体的吸声机理。
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- Let us put his theories to the proof. 让我们来检验一下他的理论。
- Misappropriating the theories of social science. 不正确地使用社会科学的理论
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- The latest scientific discoveries cast doubt on earlier theories. 科学上的最新发现使我们对以前的学说产生怀疑。
- The propagation of animals or plants. 动物的饲养，植物的培植
- Reproduction and spread; propagation. 复制和散布；繁殖
- There is a distant connection between the two theories. 这两种学说之间没有什麽关联。
