端距 meaning in English

apical calcaria
apical spur
end to end distance
end-to-end distance

The paper analyzes the features of the design of shijiezhichuang station on shenzhen subway line 1 in respect of the choice of transfer mode , the scale of transfer nodes reserved in advance , openings in the ceiling , utilization of the upper space above the region of crossover switch and the distance between the east end of the station and the existing road tunnel
摘要对深圳地铁1号线世界之窗站设计中的特点进行分析，包括车站换乘形式的选择，预留换乘节点的大小、车站顶板的开孔、折返线道岔区上部空间的利用、车站东端距既有汽车隧道的距离等。
For the laminate which contains a crack , the suggested patch shape is rectangle , the patch thickness is equal to the parent laminate and the patch stacking sequence is the same as the parent laminate . because the length and the width of the patch have the fewer influence on the repair effect , the patch has the least weight on the basis of enough edge distance , end distance and space having been promised
?对于含裂纹复合材料层压板，长方形补片的长度和宽度对修补效果没有非常明显的影响，因此在保证连接边距、间距和端距的条件下，补片大小的选择应该以节省重量为原则；而当补片的铺排顺序与母板相同、相对厚度为100时能够获得比较好的修补效果。