“表达式”的拼音为：biǎo dài shì...

“表达式”的英语可以翻译为：epresentation，expression ...

这是电场数学表达式的基础。This forms the basis for our mathematical expression for the electric field.可以认出,此表达式正好就是标积.We recognize this expression as just the scalar product.我们只推导出对于剧烈鼓泡床的表达式.We develop only the expressions for vigor...