预测的目的是在里面减少不确定的范围哪一管理裁判一定被做。
The purpose of a forecast is to reduce the range of uncertainty within which management judgments must be made.
它们应该是相同的，如果这是个理想弹簧，在测量值的，不确定性范围内。
They should be the same, if this is an ideal spring, within the uncertainty of my measurements.
事实上，净效应还略呈负面，但考虑到其中存在的不确定范围，归总起来大概就是没有任何净效应。
The net effect is in fact slightly negative, but given the margin of uncertainty the bottom line is roughly no net effect at all.
应用推荐