The image shows an area of about 238 kilometers by 223 kilometers, with north at the top.
2
不明白,就要各处去碰,东碰、西碰、南碰、北碰、上碰、下踫,就好像那个乌蝇(苍蝇)似的,各处去碰壁。
When we don't understand, we go seeking encounters everywhere: east, west, north, south, above and below, just like a fly that keeps bumping into the wall.
The study of magnetic susceptibility anisotropy in Jurassic and Cretaceous shows that there exit two maximal axis directions of magnetic susceptibility in the study area of Jianmenguan.