1 The concept of " Circum- Taihu Lake Cities" is currently becoming well - defined, which results in the important and imperative need of the inter - city cooperation.

2 In the shallow sea area of circum- Buohai bay with shallow sea water, flat ground under water, thick sludge and wide intertidal zone, the estimated petroleum reserves is 200 million tons.

3 The depression - splitting basins are related to the uplift and depression of paleoplate tectonics, but not to the thermal - tectonic system of the circum- Pacific deep - seated faults.

4 It can make you feel free, though temporarily, and only in the mind, from tasks, difficulties and unpleasant circum- stances.

5 Thick stratum was deposited in the west part of southern North China and the Ordos area during the Late Triassic, when the stable North China Craton turned into circum- Pacific tectonic tract.