我们对安吉县河南话、安庆话、湖北话这三种官话方言岛的语言特点作了比较，分析它们的共性和差异。
Secondly, by comparing the linguistic features of three mandarin islands including Henan dialect, Anqing dialect, and Hubei dialect, the paper analyzes their similarities and differences.
它们的创作特点比较大众化，演唱起来朗朗上口，只要是中国人基本上都可以演唱。
Comparison of their authoring features popular, conversational singing, basically, as long as the Chinese people can sing.
技术上提出了原矿直接氰化浸出、原矿浮选—浮选精矿氰化浸出、原矿分步混合浮选和优先浮选四个方案，并比较了它们的特点。
In technology, four process schemes, such as crude ore cyanide leaching, flotation -cyanide leaching of flotation concentrate, fractional bulk flotation and selective flotation, were put forward.
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