你们可能会想起小学时,将一些加法表达式,放在圆括号里,这样加法可以先计算,然后是乘法,否则,乘法默认先发生。
You might recall from grade school sometimes you put things in parentheses so that your addition happens first, then your multiplication, otherwise multiplication would happen by default first.
再按两次回车将显示加法和减法表达式。
Pressing return a couple more times will show an addition and subtraction.
建立了散射边界条件,并运用柱函数的加法定理,通过理论推导得到了聚焦区内刚性球形微粒的散射声压表达式。
After the scattering boundary conditions were set up, the scattering pressure expression of the solid sphere in the focusing area was derived by column function addition theorem.
You might recall from grade school sometimes you put things in parentheses so that your addition happens first, then your multiplication, otherwise multiplication would happen by default first.
你们可能会想起小学时,将一些加法表达式,放在圆括号里,这样加法可以先计算,然后是乘法,否则,乘法默认先发生。
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