The evenness is one of important control targets for pavement quality, is also one that control difficulty is maximum.

平整度是路面质量的重要控制指标，同时，也是施工控制难度最大的指标。

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Geological exploration projects are different from ordinary construction projects, especially on larger cost control difficulty.

地质勘查项目不同于一般建设项目，成本控制难度较大。

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The paper brings forwards the adjusting speed technology to solve the problem of power big and disturb of motor and precision control difficulty.

轧机的电机功率大，干扰严重，其调速精度难以控制，文章提出的数字控制调速技术先进、可靠，解决了上述问题。

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Parkinson's disease is a disease involving destruction of motor control and loss of motor control, difficulty moving.

帕金森症会损害运动控制,丧失对运动的控制,变得行动困难

耶鲁公开课 - 心理学导论课程节选

The Italian government does not want a foreigner to take control, but it would have difficulty using its golden share to block a European bidder.

ECONOMIST: Telecom Italia

While Mr. McNerney had approved the Dreamliner's heavily outsourced business model as a director, his allies say that much of the 787's initial difficulty was beyond his control.

WSJ: The Two Men Behind the 787

Part of the difficulty is beyond Taiwan's control.

FORBES: The ghost of Chiang Kai-shek