擅长:python、mysql、java
<p>我不确定这有多有效,但你可以使用多索引</p>
<pre><code>df1 = df1.set_index(["Long","Lat"])
df2 = df2.set_index(["Long","Lat"])
df1["Result"] = df1.index.isin(df2.index)
df1 = df1.reset_index()
df1
Long Lat Result
0 -37.379429 175.669786 False
1 -37.033415 174.868020 True
2 -41.173852 174.981931 False
</code></pre>