让黄油在微波适用的大盘子里熔化20秒钟。In a large microwave-proof dish, melt butter for 20 seconds.它们的工作原理是通过固体来反射微波。They work by bouncing microwaves off solid objects.风吹海面起微波.The wind corrugates the surface of the sea....
Landsat sensors have a moderate spatial resolution.陆地卫星传感器的空间分辨率属中等.Individual houses are not visible on a Landsat image, but large objects like highways are.陆地卫星发回的图像上看不到一幢一幢的房子, 但可看到像公路那样的大目标....