添加pollcontrol所需接口定义.调整结构

zhangzengfei

2023-01-12 22a2a75146214b245fa2bfeacfd998539a8779fa

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new_obj.to_string()=[1.20,3.40,123456.78,5.00,23000000000.00]
new_obj.to_string()=[1.2,3.4,123456.78,5.0,2.3e10]