So, we'll call that the double integral of our region, R, of f of xy dA and I will have to explain what the notation means.
称之为区域R上fdA的二重积分,会向大家解释这些符号的含义的。
2
Objective To investigate the possible neuroprotective effect of dopamine(DA) receptor agonist R-apomorphine(R-APO) on the 6-hydroxydopamine(6-OHDA)-induced rat model of Parkinson's disease.