这个班的学生语法根底好.The class is well grounded in grammar.我的科学根底要我多作细心的概括.My scientific background has taught me to make more cautious generalizations.申请人都须有良好的电脑科学根底.All applicants must be well grounded in computer science....
The concepts of radiant emittance and of irradiance are complementary.辐射的发射强度和辐照度是两个互补的概念.Emittance and irradiance are meaningful measurements of flux at a specific surface.发射强度和辐照强度只有对一定表面上通量的量度才是有意义的.A high quality bea...