We introduce the futures return vector to replace the single future return, deduce the multiple futures to single cash hedge model to realize the dispersion of basis risk.
引入多个期货合约收益率向量代替单个合约的收益率，推导出多种期货合约对一种现货进行套期保值模型，解决了交叉套期保值的基差风险分散问题。
Integrated analysis of these results is helpful to strati - graphic interpretation, the analysis of absorption and frequency dispersion, the identification of multiple reflection, and so on.
综合对比这些结果，可用于地层岩性解释、分析吸收和频散作用、以及分辨多次波等。
The dispersion relation for the low-frequency plasma interchange modes in a hot-electron plasma with line-tying function is solved by using the MHD equ. of multiple species.
用多组份磁流体力学方程导出了有线捆作用的热电子等离子体中，低频等离子体交换模的色散关系；
It is very important to simulate the precision of fire of simple control Long Range Multiple Launch rocket System (LRMLRS) for improving the dispersion and reducing the number of rocket used in test.
简易控制远程多管火箭密集度仿真是提高射击密集度和减少简易制导多管火箭试验用弹量的重要手段。
Stirred vessels are used in the process industries for a variety of applications. Multiple-impeller stirred tank is widely used in process such as gas-liquid dispersion, high viscous fluid mixing.
流体搅拌是化工工业过程中重要的单元操作，在要求传热面较大、工作介质为高粘体系或某些气液两相体系等工业过程中，多层桨搅拌槽被广泛应用。
The group velocity dispersion curves of Bayleigh waves through most of the Qing-hai-Xizang Plateau are obtained, using the single-station and multiple-filtering process.
本文用单台多重滤波方法测定了经过青藏高原地区瑞利波群速度频散曲线。
The group velocity dispersion curves of Bayleigh waves through most of the Qing-hai-Xizang Plateau are obtained, using the single-station and multiple-filtering process.
本文用单台多重滤波方法测定了经过青藏高原地区瑞利波群速度频散曲线。
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