These are my go-to libraries for Python data crunching.
fprintf(' 上翼缘:b=120mm, h=10mm, y_c=115mm\n'); fprintf(' 腹板: b=10mm, h=100mm, y_c=60mm\n'); fprintf(' 下翼缘:b=120mm, h=10mm, y_c=5mm\n\n'); ...