以下为句子列表：
英文: The polyimides were found to be soluble in strong polar solvents when ,′ di( aminophenoxy)diphenylsulfone/,′ diamino diphenylether and ,′ di( aminophenoxy)diphenylsulfone/,′ diamino diphenylmethane molar ratios are 0∶0～ ∶7 and 0∶0～∶, respectively.
中文: 当共缩聚二胺单体中，′－二（－氨基苯氧基）二苯砜／，′－二氨基二苯甲烷和，′－二（－氨基苯氧基）二苯砜／，′－二氨基二苯醚的摩尔比分别为0∶0～∶及0∶0～ ∶7时，所得聚酰亚胺可溶于强极性溶剂。
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