Its existence has both deep historical source and complicated present situation.
它的存在既有深刻的历史根源也有其复杂的现实环境。
The second part analyses the historical source of the Free Style of European oil painting.
第二部分分析了西方油画写意倾向的源流；
The second part analyses the historical source of the Free Style of European oil painting.
第二部分分析了西方油画写意倾向的源流；
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