... angle between two planes 两平面的交角 angle bisection 角平分 angle bisector 角平分线；分角线 㗾 ...
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一种角平分线绘制器，它由四条连杆铰接组成的菱形框架构成。
The utility model relates to an angle bisector drawing instrument which consists of a rhombus-shaped frame formed by articulating four connecting bars.
通过对角平分线投影特性的分析、总结，从理论上证明了角平分线投影特性。
The analysis and summarization, the projection character of Angle bisector is proved on theory.
有些地方动物种群是水平分布的，比如在索尔兹伯里平原，这块冰碛沉积三角洲密集分布着王企鹅、软毛海豹、象海豹和黑背海鸥。
Sometimes the animal multitudes are horizontal, as on Salisbury Plain, a glacial outwash delta densely colonized by king penguins, fur and elephant seals, and kelp gulls.
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