当光波从一种介质传到另 种介质时,其传播速度和方 向会发生改变这种现象叫折 射。光在入射介质中的传播 速度与折射介质中的传播速 度之比,等于入射角正弦与 折射角正弦之比
文件格式: PPT大小: 2.35MB页数: 20
What is Metamorphism?1) Metamorphism is the change in form that happens in Earths crustal rocks in response to changes in temperature and pressure
文件格式: PPT大小: 4.3MB页数: 49
Introduction: Sediments In The Rock Cycle Sediments are transported by: Water. ce Wind. Gravity. The transport and deposition of sediments are initial phases of the rock cycle. The ultimate fate of most sediment is burial and conversion to sedimentary rock
文件格式: PPT大小: 5.12MB页数: 71