HTML can only select a plurality of radio

<td>                    
	<label for="sex">男</label>                    
	<input  name="sex1" value="nan" type="radio">                    
	<label for="sex">女</label>                    
	<input name="sex1" value="nv" type="radio">                
</td>

Provided the same name, the value can be set to a different value