在another question中，我正在查看org.apache.pdfbox.text.TextPosition，并试图了解x和y坐标以及xscale和yscale是什么。
我如何与整个页面边界框相关？
String[155.67801,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=3.8774261]a
String[159.55544,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=3.4868927]c
String[163.04233,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=1.9387207]t
String[164.98105,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=3.8774261]u
String[168.85847,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=3.8774261]a
String[172.7359,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=1.9387207]t
String[174.67462,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=3.8774261]o
String[178.55205,41.046 fs=6.9738 xscale=6.9738 height=4.3167825 space=1.9387167 width=2.322281]r