1) level of no motion
零流面
1.
The selection of level of no motion is a basic problem in calculating the geostrophic flow in the East China Sea Kuroshio area.
零流面的选取是东海黑潮地转流计算中的一个基本问题。
2) null plane plane
零面
3) curved surface part
曲面零件
1.
Numerical simulation of draw bead for curved surface part;
曲面零件拉深筋的数值模拟
2.
Research on the critical analysis of blank holder force for drawing with draw bar of curved surface part;
带筋拉深曲面零件压边力的临界计算
3.
Die throat radial stress was analyzed during every phase of drawing when the round draw bead be used, the formula of even stress intension in every region are deduced , This work establish the theory base of software programming about drawing the curved surface part.
以半圆筋为例,分析得到了使用拉深筋拉深曲面零件时,拉深各阶段凹模入口的径向应力公式,并且对拉深各位置段的平均应力强度进行了求解,为开发曲面零件拉深应用软件奠定了理论基础。
4) zero speed surface
零速度面
5) curved parts
曲面零件
1.
According to theory analysis and experiment research,the meaning of deformation limit of curved parts in sheet metal forming is expounded.
通过理论分析及实验，阐明了曲面零件成型极限的意义，提出了成型极限危险点──起皱关键点及破裂关键点的概念，给出了起皱极限及破裂极限判据表达式，并得到了实验验证。
6) Zero control curved surface
零控曲面
补充资料：零息票债券；零券息债券
零息票债券；零券息债券一种以低于票面价值的价格发行的债务工具。债券不支付任何票息；它在到期日是以面值赎回的。
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