You could reduce the source map size by omitting duplicates in the lineMaps array. So, the same information could be represented like:
迪弗洛里奥教授指出，虽然外展服务等多项工作进展良好，但对于无精神病史的人群，这种疾病仍难以识别。
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The Middle East, it says, should be getting less attention: “As this administration rescinds or eases restrictive energy policies and American energy production ramps up, America’s historic reason for focusing on the Middle East will recede.”
Southwest Airlines