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Disc cell mainly consist of chondrocytes, PTHrP-Ihh negative feedback mechanism can modulate differentiation and maturation of chondrcytes during endocartilage ossification in epiphysis of long shaft bone, but its effect on vertebral development is still unknown.

椎间盘细胞主要由软骨细胞样细胞组成，PTHrP和Ihh形成的负反馈机制在长管骨软骨内骨化过程中对软骨细胞分化和成熟具有调节作用，在椎体和椎间盘的发育过程中的作用仍未阐明。

The different influences of positive and negative feedback loops of the ERK signal transduction pathway are mainly analyzed.

建立了一个包含反馈途径的ERK信号转导途径的模型。

Meanwhile, the outlets of the system are predicted by the feedback adjusting method. According as whether the system response is in the range of the error band and whether the model prediction output exceeds this error band.

同时，用带反馈校正的模型预测作系统输出预测，根据系统响应和系统预测值是否在给定误差范围内来共同决定控制量在限幅值与内模控制器输出值之间进行在线智能切换。

The kind of auditory feedback we're proposing is not the same as the beep that accompanies an error message box.

我们建议的这种听觉反馈不要和错误信息框发出的嘟嘟声相同，事实上，它根本不是嘟嘟声。

In order to minimize the synchronous error e, an error feedback coefficient is optimised on-line by using gold cut method adaptively.

为了减小同步误差，提出了一种在线优化误差反馈系数的自校正同步控制方案。

A novel proportion-feedback-integration control is proposed to eliminate the steady-state error and reject the dc component.

PFI控制不仅解决了传统并网电流PI控制中存在稳态误差的问题，而且还具有直流抑制特性。

It is proved that the existence of this kind of phenomenon is result from the common affect of the error of the spring equation as the thickness measuring instrument and the negative feedback mechanism of GM-AGC system under the certain conditions.

从数学分析和物理本质两方面解释了GM-AGC系统中的伪正反馈现象，证明了这种现象的出现，是作为厚度测量机构的弹跳方程的误差和GM-AGC的负反馈机制在某种条件下共同作用的结果，给出了避免其出现的方法。

According to the Lyapunov stability theory, the weight update law of neural network, the adaptive law of error bound and the feedback control are obtained, thus the stability of closed-loop control system is ensured.

基于Lyapunov稳定性理论，得到了神经网络的权值更新律、误差界自适应律及反馈控制律，确保了闭环控制系统的稳定性。

Ecause the method can track satisfactorily all types of state of a class of uncertain variable structure systems, it can extend the nonlinear state error feedback control law and auto disturbance rejection controller application field.

该方法能有效跟踪变结构非线性系统的各阶状态变量，拓宽了非线性状态误差反馈控制器和自抗扰控制器的应用范围，同时给予了稳定性证明。

The influence of speed estimation error to flux observation was analyzed, and feedback matrix was calculated based on the analysis.

分析了速度估计误差对磁链观测影响，并以此为基础进行反馈矩阵的计算。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。