Based on the effect of comprehensive application of multimedia teaching resources on the students knowledge structure,the author analyzes the overlaying feature,its effect on teaching and the feasibility of realizing the teaching goal.
本文从多种媒体教学资源综合应用对学生认知结构的作用入手,分析了在此环境下的迭加特性以及其对教学效果的影响,以及达到教学目标的可行性。
In order to get rid of the effects of multiples, we derived the slope expression of multiple refracted wave in blind area, expression of multiple wave and its stacking property from Snell s law.
为了消除多次波的影响 ,从斯奈尔定律出发推导出多次折射盲区的斜率表达式、多次波的表达式及其叠加特性公式 ,并对薄互层地质结构产生的多次反射波和多次折射波进行了描述。
