isosceles trapezium
常見(jiàn)例句
- Whatever the case, the shape of the cross-section of the said sphenoid part is either of an isosceles spherical trapezium or of any spherical quadrilateral.
無(wú)論哪種情況，楔形體的橫截面形狀要么是有兩條邊相同的球形四邊形，要么是任意球形四邊形。
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