二进制序列集：Binary system sequences set 二类优化设计：second-order optimization design 二维扩频矩阵：two dimensional spread spectrum matrix ..
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基于动态平差模型，应用多指标动态规划工具建立了两种同时顾及精度，费用和可靠性准则的二类优化设计模型。
Starting with two models of the dynamic adjustment, two models of second order optimal design are proposed by taking into account the criteria of precision, cost and reliability.
本文给出了监测网二类设计的灵敏度准则，构造了相应的优化设计模型。
This paper gives the sensibility criterion for second class design of a monitoring network, and the corresponding optimal design model.
本文探讨工程测量控制网最优化设计的几个问题：一、网形最优化将全部控制点区分为两类点，对其中有一定选择范围的第二类点采用优选法定点。
In this paper some problems in optimum design of engineering surveying control nets are studied; 1. Optimization of net form All control points are divided into two kinds.
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