对称无穷区间
symmetrical infinite interval
区间无穷乘积
interval infinite product
无穷区间上δ-精细分法
fine partition on infinite interval
半无穷层单元
semi-infinite layered element
半无穷大核物质
semi-infinite nuclear matter
上升区间半值点
first transition mesial point
leading edge mesial point
下降区间半值点
last transition mesial point
trailing edge mesial
跨区间无缝线路
continuous welded rail across station
continuous welded rail across sections
离散时间区间时序逻辑
discrete timed interval temporal logic