求翻译：模型是实际对象或系统抽象及简化的表示，是抽取研究对象的本质特征，忽略或精简了一些次要的非本质的影响因素后的抽象表示法。是什么意思？

The model is the actual object or system abstract and simplified representation is to extract the essential characteristics of the study, ignored or streamlining some minor unessential factors affecting the abstract notation.

Model is the actual object or system abstraction and simplification, which is the object of study of the nature of character to ignore or to streamline a number of secondary, non-essential factors of the abstract representation.

The model is the actual object or the system abstract and the simplification expression, was extracts the object of study the substantive characteristics, after the neglect or simplified some secondary non-essential influence factor abstract method of portrayal.

Models are abstract and simplified representations of actual objects or systems, is to extract the essential characteristics of research object, ignoring or streamlining after a number of minor non-factors affecting the nature of the abstract representation.

正在翻译，请等待...