不利季节 meaning in English

unfavourable season
unfavourableseason

The 1 is what the old road surface is in the spring or disadvantageous season that the data must be coped with the coefficient by the season impaction . the sections of a highway were selected through scientific methods and reasonable ways
但由于种种原因，路面弯沉在其他非不利季节也要测定，这就需要通过弯沉值季节影响系数换算为不利季节弯沉值，再用于评价、设计中去。