求翻译：课题研究成果在交通运输部公路交通试验场及安徽、河南、四川、江苏四省等地进行了大范围示范应用，得到了充分有效的验证。是什么意思？

Research results of the demonstration and application of a wide range of road traffic testing ground in the Ministry of Transport and Anhui, Henan, Sichuan, Jiangsu Province and other places to get a full and effective verification.

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The topic research results in transportation department of transportation highway traffic test facility and Anhui, Henan, Sichuan, places such as Jiangsu four provinces carried on the wide range demonstration to apply, obtained the full effective confirmation.

Subjects research experimental farm in the Ministry of transport and road traffic and four provinces such as Jiangsu, Anhui, Henan, Sichuan, wide application model, have been adequate and effective verification.

正在翻译，请等待...