at the point of the sword
principle of the point of accumulation
the index of the fixed point
the setting of the basins
abrupt changes in the cross-sectional area of a tunnel
black point of the wheat
blow-in in the intermediate repair
calculation model of the tunnel stability against
calculation model of the tunnel stability against uplift
change-point in the mean and variance
character of the setting
computing the point of intersection
consolidating of the end section of the tunnel
CONSTRUCTION OF THE TUNNEL