在很宽的参数变化范围内对辐射率作了数值计算。

Extensive numerical calculations of the emissivity have been performed over a broad range of parameters.

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由于对象存在着非线性特性及参数变化范围大等特点，给控制器参数的工程整定带来很大困难。

Because of large scale variance of parameters and nonlinearity of the object, there are many difficulties in tuning of the controller.

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并针对伺服系统具有参数变化范围大、干扰源多等特点，设计了基于模糊滑模控制的伺服系统的结构。

Then a system structure based on fuzzy sliding mode control is proposed for servo systems with large parameter variations and external disturbances.

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