在实际应用中，若晶体管的发射结电压增大时，基极电流增大，但集电极电流基本不变,则说明晶体管进入饱和区。（ ）
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Mathematical modelling and simulation forms the basis for the analysis and design of engineering systems as a result of ____________.
A. developments in computer technology and related software
B. developments in mathematics
C. engineering mathematics
D. the large number of students to study engineering courses
For an engineering student, ____________.
A. there is no need to study mathematics
B. he should spend more time on the study of mathematical skills
C. it is enough to learn to use the packaged computer software
D. the main objective is to learn to use mathematics with understanding to solve engineering problem
Which one of the following statements is incorrect according to the text?
A. The excercises are intended to develop skills in mathematical techniques
B. Some of the excercises are open-ended modelling ones which cannot be tackled at the beginning of the course
C. The excercises are only available at the end of each chapter
D. The excercises are designed to develop understanding and encourage learning by doing
Which is not the content of the book?
A. differentiation and integration
B. geometry
C. discrete mathematics
D. probability and statistics
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