D-optimal test scheme was presented for calibrating second-order coefficient K2 of PIGA (Pendulous Integrating Gyro Accelerometer) error model on a precision centrifuge with counter-rotating platform.

提出了一种在带有反转平台的精密离心机上标定陀螺加速度计误差模型二次项系数K 2的D -最优试验方案。

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After the diagram model of order and transportation model of the steel pipe is built, change-edge and optimizing methods were introduced and an optimal solution was achieved.

利用图论知识建立了钢管订购和运输的二部图模型，提出了去边法与方案的优化调整方法，得到了问题的最优解。

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In order to study the optimal incentive schemes when both manager's ability type and effort are unobservable, this paper sets up an information revelation model of manager.

为了研究当管理者的能力类型和努力都是不可观察时的最优激励方案，建立了一个管理者的信息披露模型。

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