1The three basic processes of radiation energy exchange is: ( ).A:excited emissionB:spontaneous absorptionC:excited absorptionD:spontaneous emission答案:spontane
华南理工大学第一章单元测试Carbon dioxide lasers commonly used gas mixture composition is composed of ( ), helium, argon, nitrogen.A:Neon gasB:Carbon dioxideC:Carbon monoxideD:Oxygen
simulation strategy, also known as simulation algorithm. The simulation strategies applicable to discrete-event systems are ( ).答案:two-event scheduling method###activity scanning method###proces
第一章测试1.Steps at the math modeling are( )。A: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.B:Derivation of the conserv