方拱干是明末清初著名诗人，其生平事迹仍有若干不甚清晰之处。
FANG Gongqian is a famous poet between late Ming and early Qing Dynasty, but the story of his life is still not very clear.
而另一方面，缅因大学的拱梁可以在现场构建——纤维布套充气、弯曲成简单形状，用真空泵灌注树脂。
The University of Maine arches, on the other hand, can be fabricated on site — the fabric inflated, bent around a simple form and infused with resin using a vacuum pump.
综合比较来看，封闭式支架要优于不封闭支架；马蹄形或方环形支架要比半圆拱等支护形式好。
Compared comprehensively, enclosed supports are better than non-enclosed supports; supports of square annular shape or "u" shape are better than supports of semicircle arch.
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