本文针对后梁系统单自由度运动方程的非线性振动分析对工程设计、织造工艺改善有一定理论意义；
The nonlinear dynamic analysis to SDOF function of the back-rest system can be benefit for engineering design and improvement of weaving technology.
收发系统作为便携式战场侦察雷达的重要组成部分，其功耗、体积、重量、低截获和改善因子等均为工程设计的重点。
The design methods of the transceiver system about integration and modularization, low power consumption, miniaturization, and LPI are presented in this paper.
这改善了工程设计的效率、质量和协作。
This improves engineering design efficiency, quality, and collaboration.
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