fair fit meaning in English

合法击球

Jim hitched it behind with the hooks , and it was a fair fit
杰姆用钩子替我在背后收紧了些，就弄得合身了。
Fair fitting method of b - spline surface and computation of fitting precision for sectional points
样条曲面光顺拟合及其精度计算
Constrained conditions consist of data interpolations ( interpolations to data points or to one order and curvature at data points ) , shape - preserving interpolation and smoothing or fairing fitting
约束条件包括数据插值(可以是对数据点或数据点处的一阶导和曲率等的插值) 、保形插值和光顺拟合等。