The controller can control many step-motor systems in the meantime, and made motor run in multi-curve including speed-up, speed-down, orientation and direction's change.

该控制器可同时控制多台步进电机按曲线方式运行，包括加减速、定位及换向功能等。

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The difficulty in computer simulation of multi-curve fitting lies in data analysis and the judgment of adaptive situation of the curves, that is, dividing the period of calculating time.

灌区多曲线计算机模拟的难点在于数据分析和判断曲线的适用条件（即划分推流时段）。

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Logging curve contains a great amount of geologic information and it has advantage in studying multilevel cycle of strata and in recognizing multi-resolution abrupt change of strata.

测井曲线包含了丰富的地质信息，对研究地层多级别旋回性及识别地层信息多分辨突变具有优势。

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Mortgages are bumping along at or near multi-decade lows and a flood of Treasury bond buyers has led to a very appealing yield curve for corporate and government borrowers.

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