推理分析了左手性介质透镜处球形界面的负折射规律，并依此表明了常用光学公式仍适用于左手性介质。
Analytic calculation of the negative refraction at the spherical surface is conducted demonstrating that the usual optical formulas still hold true for the LHM lens.
因此，选育不育临界温度低、育性相对稳定的实用光温敏核不育系，探讨不育系育性转换规律、育性遗传规律及生理生化特性，在理论和实践上都具有重要意义。
So it is very important for the theory and practice to research and insight the fertility alteration, fertility inheritance and physiological and biochemical characters of PTGMS lines.
应用光学显微镜和扫描电子显微镜对加福煤粉燃烧过程中微观形态的变化规律进行了详细的观察。
Chip behaviors were analyzed using scanning electron microscope(SEM), to study the effects of applied load, scan cycles and scanning direction on nanomachining of Al and Cu samples.
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