DTM#OUTLINE 基準輪廓#Default 缺省Fit the datum to the outline of the current part.擬合當前零件輪廓的基準Fit#Part 擬合零件Fit the datum to the outline of the selected part.擬合選取零件輪廓的基準Fit#Feature 擬合特征Fit the datum to the outline of the selected feature.擬合選取特征輪廓的基準Fit#Surface 擬合曲面Fit the datum to the outline of the selected surface.擬合選取曲面輪廓的基準Fit#Edge 擬合邊Fit the datum to the outline of the selected edge.擬合選取邊輪廓的基準Fit#Axis 擬合軸Fit the datum to the outline of the selected axis.擬合選取軸輪廓的基準Fit#Radius 擬合半徑Limit the datum outline within the specified radius.限制基準輪廓在指定半徑之內