如：目前的识别结果是
Using Lemma 2.1, we set
\[
\frac{\partial L(\boldsymbol{p}, \lambda)}{\partial p_{i}}=0, \quad i=1, \ldots, n
\]
and
\[
\frac{\partial L(\boldsymbol{p}, \lambda)}{\partial \lambda}=0
\]
希望变为
Using Lemma 2.1, we set
$$
\frac{\partial L(\boldsymbol{p}, \lambda)}{\partial p_{i}}=0, \quad i=1, \ldots, n
$$
and
$$
\frac{\partial L(\boldsymbol{p}, \lambda)}{\partial \lambda}=0
$$