提出了基于切换增益衰减因子的变切换增益变结构控制律，实现了高精度的分布式卫星构型保持鲁棒控制，较好地克服了误差收敛时间和控制精度的矛盾；
The robust precise formation keeping of the DSS was realized based on the control law, and the conflict between control time and control precision was conquered using the control law.
单因子试验研究结果表明，在芒果果醋发酵工艺过程中，接种量和发酵时间及起始酒精度是影响果醋质量的关键因素。
The inoculum amount, fermentation time and initial alcohol concentration were key factors in fermentation to affect the quality of mango vinegar.
分析表明该天基导航系统的几何参数精度因子受时间测量误差均方差和基线长度变化影响较大。
The GDOP of this system relates to baseline of formation-structure and mean square deviation of time measure.
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