exact differential form
翻译:恰当微分形式
同义词
1)exact differential form,恰当微分形式2)complete differential,恰当微分3)exact differential equation,恰当微分方程4)exact differential,恰当(正合)微分5)appropriate fraction variable,恰当分额变数6)adequacy,恰当性，充分性英汉例句
Sufficient conditions that guaranteed the existence of periodic solutions for this problem were obtained by the method of pairing exact differential equation.
利用周期解配成恰当微分方程产生法,给出一类泛函微分方程周期解存在的充分条件,并利用分步求解法给出了相应的周期解表达式。