The rotary design is suited for structuring non-linear Mathematical model to carry out comprehensive study on multiple factors.
旋转设计适用于构造非线性的数学模型，进行多因素的综合研究。
Because fault symptom space and fault space have complicated non-linear relations, the mathematical model of diagnosis system is difficult to build up.
由于故障征兆和故障类型之间常常存在复杂的非线性关系，使得诊断系统的数学模型很难获取。
Based on the principle of a varied mass system, the non linear mathematical model of the crop mechanics for an axial threshing process was set up.
运用变质量系统的基本原理，建立轴流脱粒过程中谷物运动的非线性动力学模型。
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