The Vikings' first major discovery occurred in the ninth century.
维京人在九世纪时有了第一个重大发现。
2
Based on the AIDS model, the paper compares the dynamic characters of Chinese rural residents consumption of seven major commodities during the Ninth and the Tenth Five-year Plan.
The two most prominent emotions in the later symphonies are anger and despair, but even the Ninth, almost as bleak as the violent Seventh, ends on a root-position D major triad.