pattern forms in areas where there are alternating bands of variable resistance

分类: 作业答案 • 2021-12-06 20:24:52

问题描述：

pattern forms in areas where there are alternating bands of variable resistance
there are后面是什么意思,尤其在这句话里

答

there are alternating bands of variable resistance
可变阻力的条带交替出现
我看了下后文,是指抗侵蚀能力大的条带与抗侵蚀能力小的条带交替出现.