html中怎么把select中option的内容分成两行显示?
如:
<select>
<option>Measures for Qualification Registration of Geological Reconnaissance</option>
</select>
option的内容"Measures for Qualification Registration of Geological Reconnaissance"用一行显示太长,怎么分成两行显示???

显示效果为:

Measures for Qualification Registration
of Geological Reconnaissance
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