In essence, an R-Value is an expression that cannot appear on the left-hand side of an assignment expression.

本质上来讲右值是一个不可能出现在等号左边的表达式。

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Using simulation technology for design vehicle in the early development of EV can effectively anticipate potential problems that may appear in the R & D process;

电动汽车研发初期采用仿真技术对设计车辆进行模拟仿真，能够有效的预见产品研发过程中可能出现的问题；

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