They differ somewhat from bathymetric charts which are virtually topographic maps of the ocean floor.它们与水深图稍有不同,后者实际上是洋底地形图.In bathymetric survey, the recorded seabed is distorted due to the beam - width of the echo soun...
Varndell made his own reflector for these shots from a strip of humble kitchen foil.瓦恩德尔用一狭条普通的厨房用箔纸自制了反光板来拍摄这些照片。Before the land reform my family hadn't a single room or a strip of land.土改前我家房无一间,地无一垄.There is a st...