1) formulation of arc length
弧背术
1.
Discussed the formulation of arc length in ancient China,and compared its westernizing process with that of Japanese.
探讨了中国古代的弧长求法及其历史演变,比较了中日弧背术的西化历程,认为和算通过形式化走向近代,而中算家由于无法得到一般性结果,只好将弧背术全盘西化,这在一定程度上也是师法日本的结果。
2) Formulation of Arc Length in Ancient China
中算家的弧背术
3) back profile
背弧
4) lee-side
背风面，背弧
5) back arc
背弧度
1.
This paper analyzed how to use reflective high frequency non contact eddy sensor for detecting the tension and back arc of band saw,in the circuitry principle,and presented its benefit for mending band saw after the detector is used.
该文就非接触高频反射式涡流传感器用作带锯条非接触检测的电路理论和工作原理进行了分析，介绍了该仪器用于修锯行业作适张度、背弧度检测的优点。
6) island-arc background
岛弧背景
补充资料：背对背
背靠背。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条