英语语法分析

A novel fault tracking approximator for fault diagnosis scheme of high voltage direct current transmission (HVDC) system is proposed.

提出了一种新的故障跟踪估计器来诊断高压直流输电(HVDC)系统中的故障。

As a kind of productive material, every type of engineering machine has no monopoly market structure, and the approximator and replacer are emerging in endlessly.

工程机械作为一种生产资料，各个机种均不具有垄断性的市场结构，近似品、替代品层出不穷。

Firstly, an iterative learning neural network approximator (ILNNA) design scheme and corresponding boundedness lemma is proposed to approximate time-varying uncertainties.

首先，提出了一种新的迭代神经网络估计器，并证明了其逼近引理，实现了对时变不确定性的逼近。