A new calculative method for nonlinear adjustment by parameters in considcration of the second-order derivates is put forward by analyzing direct solution and iteration solution to nonlinear adjustment by parameters with the first-order derivates in this paper.
在分析顾及一阶偏导数的非线性参数平差的近似直接解法与这代解法基础上，提出顾及到二阶偏导数的非线性参数平差的一种新的计算公式。
参考来源 - 非线性参数平差的一个新途径·2,447,543篇论文数据，部分数据来源于NoteExpress
The adjustment on thermodynamic cycle process and operation parameters of motorcycle engine by VVT mechanism is analyzed.
对VVT机构调整摩托车发动机热力循环过程和运行参数进行分析。
By some modifications of the milling flowsheet and adjustment of the processing parameters, milling size and flotation recovery were dramatically improved.
通过对磨矿流程进行局部改造，调整工艺参数，实现了磨矿细度的大幅提高和金浮选回收率的提高。
The error correction model of tooth surface was established by machine tool adjustment parameters and meshing principle.
结合机床调整参数、齿轮啮合原理，建立了螺旋锥齿轮齿面误差修正模型。
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