就在共振这个词之后，出现了上述错误。underfull。我试过使用，\smallskip \bigskip但它不起作用。在 texstudio 中，作者姓名直到共振这个词都在一行中。请问解决方案是什么？
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\bibitem{Khawaldeh2017}
S.~Khawaldeh, U.~Pervaiz, A.~Rafiq, and R.~Alkhawaldeh, ``{Noninvasive Grading of Glioma Tumor Using Magnetic Resonance Imaging with Convolutional Neural Networks},'' \emph{Applied Sciences}, vol.~8, no.~1, p.~27, 2017.
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