It's beneficial effect is purely a result of the way it prevents one's finger from touching the antenna's feed point, solving the impedance mismatch issue.
这种度量作用可以阻止手指接触到天线的馈点，从而解决阻抗失配的问题。
2
I recommend that you give her finger or fist foods that she can feed herself, rather than baby food that requires you to spoon feed her.