Based on the cable-stayed bridge using method of cantilever, the paper establishes the optimization model of construction phase with multi-objective and multi-constraint and gives the example.
采用多目标、多约束的优化方法，以悬臂施工主梁的斜拉桥为例，建立了施工阶段的优化模型，并给出算例。
This paper describes briefly the principle of the phase stability of temperature in coaxial cables and its relationship with the cable construction and materials.
概述了同轴电缆的相位稳定性的原理，及其与电缆结构和材料的相互关系，也介绍了检测温度相位稳定性的试验方法。
The conduction of special cable and special phase lock loop technology makes high signal more accurate;
特种的传导电缆和特殊的锁相环技术使高度信号更精准；
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