6.Ⅲ and aVF, as well as ST Segment elevations in lead aVR associated with various ventricular arrhythmias are good indicatos in predictive left mainartery lesions and left main equivalent.
8.The mainartery of the ophthalmic system is the dorsal nasal artery (also known as the anterior ethmoidal or terminal branch of the ophthalmic artery), which emerges from the medial orbit and courses over the anterior surface of the nasal bones toward the nasal tip.
10.Oceans being a mainartery across the world, international cooperation in sea transportation is of great importance for promoting the interflow of commodities and economic development globalwide.