The middle is a very strange pattern: sharp 2 outwards, turning it from the middle of a point, it becomes a two isoscelestrapezoid.
中间是一种很奇怪的图案:尖尖的两头朝外,把它从中间一分,就成了两个等腰梯形。
2
Isoscelestrapezoid linkage, a kind of most representative steering linkage, was usually designed in its simplification to a plane isoscelestrapezoid linkage.
转向机构中最具代表性的整体式等腰梯形机构常被简化为平面等腰梯形机构进行设计。
3
Calculation method of reinforced concrete isoscelestrapezoid slab is experiential arithmetic which simplified isoscelestrapezoid into rectangle slab to calculate.