Biblatex 风格的 autoryear 打印出奇怪的方块

Biblatex 风格的 autoryear 打印出奇怪的方块

如果我使用,bibstyle=authoryear会出现非常奇怪的黑色方块。我该如何摆脱它们?以下是方块的屏幕截图:

奇怪的黑色方块

以下是一些引用:

@article{Jouhara.2021,
 author = {Jouhara, Hussam and {\.Z}abnie{\'n}ska-G{\'o}ra, Alina and Khordehgah, Navid and Doraghi, Qusay and Ahmad, Lujean and Norman, Les and Axcell, Brian and Wrobel, Luiz and Dai, Sheng},
 year = {2021},
 title = {Thermoelectric generator (TEG) technologies and applications},
 pages = {1--18},
 volume = {9},
 issn = {26662027},
 journal = {International Journal of Thermofluids},
 doi = {10.1016/j.ijft.2021.100063}
}

@article{Kang.2018,
 author = {Kang, Chang-Jong and Kotliar, Gabriel},
 year = {2018},
 title = {Study for material analogs of FeSb2 : Material design for thermoelectric materials},
 urldate = {3/3/2021},
 Pages = {1--12},
 volume = {2},
 number = {3},
 journal = {Physical Review Materials},
 doi = {10.1103/PhysRevMaterials.2.034604}
}

这些是我正在使用的软件包:

\usepackage{hyperref}
\usepackage[utf8]{inputenc}
\usepackage[babel, german=guillemets]{csquotes}
\usepackage[ngerman]{babel}
\usepackage[backend=biber, citestyle=authoryear-icomp, bibstyle=authoryear, sorting=nyt, hyperref=true, uniquename=false, maxcitenames=2, maxbibnames=3]{biblatex}
\addbibresource{bib/references.bib}
\DefineBibliographyStrings{ngerman}{andothers={et\addabbrvspace al\adddot},}

\begin{document}
\autocite{Kang.2018} \autocite{Jouhara.2021}
\printbibliography[heading=bibintoc,title={Literaturverzeichnis}]
\end{document}

答案1

黑色方块(或类似符号,取决于您的字体)通常表示“未找到字形错误”。对于您的情况,我强烈怀疑是印刷(“花括号”)引号(或可能是“guillemets”),您选择的字体不支持它。

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