.. One, the Oceania that Australia of Australian nature general situation is located in the Southern Hemisphere, seagirt.

一、澳大利亚自然概况澳大利亚地处南半大洲，四面环海。

Gnomonic charts are published covering the Atlantic, Pacific and Indian Oceans, except for an equatorial belt in each ocean.

出版大圆海图覆盖大西，太平度（各大近赤道带域除外）。

At the end of the Permian period the earth's landmasses were configured into one supercontinent, Pangea, and a superocean, Panthalassa.

二叠纪末期，地陆地合并成一块超级大洲，叫作盘古大陆，以及一个超级大海，叫作原始大。