不规则三角形

circular triangle───圆弧三角形

irregular variable───不规则变星

irregular variables───不规则变量

circular triangles───圆弧三角形

Bermuda Triangle───百慕达神秘三角（百慕大、波多黎各和美国佛罗里达州所形成的三角地带，许多船只，飞机曾在此神秘失踪，乃得此名）

eternal triangle───n.三角恋爱，三角性关系

irregular galaxies───不规则银河系；不规则星系

irregular galaxy───不规则星系

irregularities───n.[物]不规则行为

The groundwater flow is simulated with the seepage model of heterogeneity isotrope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.───以非均质各向同性渗流模型仿真地下水流，用不规则三角网格有限差分法求解三维数值仿真模型。

recognition of irregular polygon is very important in figure recognition. In this paper, irregular triangle and square is studied using fuzzy pattern recognition.───不规则多边形的识别是图形识别的重要内容，本文研究不规则三角形和四边形的模糊识别问题。

The groundwater flow is emulated with the seepage model of heterogeneity anti-isotope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.───研究区地下水系统概念模型，以非均质各向异性渗流模型仿真裂隙-岩溶水流，用有限元法求数值解。

The groundwater flow is simulated with the seepage model of heterogeneity isotrope, and the partial differential equations are solved with finite difference scheme of irregular triangle net.

The Doulishan coal-mining district is an irregular triangle compound synclinal basin with a complex hydrogeologic setting. There are five karst collapse belts in the coal-mining district.