A "status Curve" reflecting the operating status of hydraulic system is suggested to be used in the failure forecast and determination of service intervals of the hydraulic system.

提出了反映液压系统工作状态的“状态曲线”，用其进行液压系统的故障预报及维修期的确定。

youdao

When grey systematic theory at present set up GM (1 , 1 ), it assumes that fit curve passes the first point of modeling data to confirm the integral constant, thus obtained to forecast formula.

目前灰色系统理论在建立GM（1，1）模型时通常采用假定拟合曲线通过建模数据第一点来确定积分常数，从而得到预测公式的方法。

youdao

This paper applies the learning curve to forecast the fund application in construction project based on the foreign research achievement on learning curves, and gets very useful result.

文章借鉴国外在学习曲线研究和应用成果，将学习曲线应用于工程施工的资金运用预测上，得到非常有价值的结果。

youdao

These manufacturers are able to analyze a price elasticity curve, yielding a forecast of the average unit retail price before product development dollars are spent.

FORBES: Pricing Part 3: How Does A Brand Know When The Price Is Right?

The German yield curve initially steepened following a higher than forecast reading of consumer prices during March, but as selling picked up around the periphery of the Eurozone, even the inflation-sensitive two year schatz reversed course sending yields lower along the yield horizon.

FORBES: PIIGS' Spreads Widen Even As Germans Offer To Get Behind Greeks