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2022大学慕课答案 电子商务–周智娟(桂林理工大学博文管理学院) 最新大学MOOC满分章节测试答案
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2026年知到答案 Math model of metal heating under action by laser beam 最新知到智慧树满分章节测试答案
第一章 单元测试
1、 问题:Steps at the math modeling are（ ）。
选项：
A:Analysis of the physical and chemical processes occurring in process under consideration.
B:Writing of the differential (and other) equations describing the process under consideration.
C:Derivation of the conservation laws (integrals of motions) for the problem under consideration.
D:Analysis of physical units of each terms involving in the equations.
E:Developing finite-difference schemes (finite-elements scheme) for numerical solution of the problem under consideration.
F:Introducing dimensionless variables and writing similarity parameters (π – parameters).
G:Quality’s analysis of uniqueness solution or multiplicity of the problem solution. For this aim, as a rule, the pointwise model is derived from PDEs. 点我阅读全文