The mathematic model of these system has the form of triangular system.
该系统的数学模型满足“三角形系统”形式。
The necessary and sufficient conditions for feedback linearization of this triangular system are more easily testified than the involutivity conditions for the feedback linearization theory.
这类三角形系统的反馈线性化的充分必要条件要比反馈线性化理论的对合条件易于检验。
Owing to the character of structure of lower-triangular system, the high-rank state of each differential equation is used as virtual control, then the control law is constructed by recursive design.
根据下三角系统的结构特点，将系统每个微分方程中的高阶状态用作虚拟控制进行设计，通过循环设计最终得到系统控制所需要的控制策略。
A fitting system is developed to fit subdivision surface with sharp feature from noising and dense triangular meshes of arbitrary topology.
实现了一个从带噪声的密集三角形拟合出带尖锐特征的细分曲面拟合系统。
Digital design is the main character of this system. The three-phase SPWM pulses are generated through sine wave compared with triangular wave.
数字化设计是本系统的特点，系统最终生成的三相spwm脉冲是基于三相正弦调制波和三角载波比较得到的。
Based on the fuzziness and impreciseness of river water environmental system, triangular fuzzy number is utilized to denote water quality information.
基于河流水环境系统的模糊性、不精确性，采用三角模糊数来描述和表征水质信息。
The system consists of a panel of linear prisms (triangular wedges) which refract and spread the incoming light to produce a more diffuse distribution.
此系统由一块直棱镜(三角形楔)组成，入射光产生折射并发散，这样使得入射光的扩散更加广泛。
The petrol engine is connected with the gearbox body through a triangular conveying belt, and the driving wheel of the gearbox is connected with the oil hydraulic system.
汽油发 动机动通过三角传送带和齿轮箱体连接，齿轮箱主动轴连接油压系统。
The name of it comes from the lower-triangular form of system matrix in state-space equations when it is linear.
这一名称来源于下三角结构线性系统写成状态空间表达式后，系统矩阵中所表现出的下三角形状；
A dynamic system of the electric power driven rounding machine consists of a motor, a turbine reducer, a triangular belt, a big belt pulley and a small belt pulley.
电力拖动滚圆机的动力系统由电动机、涡轮减速器、三角皮带及大、小皮带轮组成。
Therefore, a triangular model of aerodynamic design system is put forward to improve the design system.
为加强二者之间的关联，提出了气动设计体系三角形概念。
Therefore, a triangular model of aerodynamic design system is put forward to improve the design system.
为加强二者之间的关联，提出了气动设计体系三角形概念。
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