By making an investigation on management method and operating cost effect, the paper analysed the cause, proposed the thought of comprehensive control.

文章通过对现有公路管理办法和营运成本效益调查，分析了产生的现象和原因，提出了公路管理的综合治理思路。

youdao

Answer these questions requiring a systematic and thorough investigation of thought.

回答这些问题都需要系统而深入的调查思考。

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Making thorough history investigation and right culture explanation on the thought of reasoning by analogy have the certain theoretic meaning and realistic meaning.

对推类思想进行详实的历史考察和合理的文化解读具有一定的理论意义和现实意义。

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He said he was surprised and upset about the Essex investigation and thought the allegation against him "ridiculous".

BBC: Lord Hanningfield: Peer claims damages over arrest

He said he was surprised and upset about the Essex investigation and thought the allegation against him was "ridiculous".

BBC: Lord Hanningfield: High Court reserves arrest judgement

New Century is under federal investigation and thought to be near bankruptcy.

NPR: New Century's Borrowers Worry for Homes