所研究的进口断面，通过能力在相应时段内为常数；的翻译：The import section of the study, by capacity in the corresponding period is a constant; 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The study of the inlet section, through capacity in the corresponding period is a constant;

The import section of the study, by capacity in the corresponding period is a constant;

Studies the admission section, traffic capacity in the corresponding time interval is a constant;

In the study, sessile imports through capacity is a constant in the corresponding period;

The import section of the study, by capacity in the corresponding period is a constant;