... 圆砖工具架 circular tool rack 环轨 circular track 循环小数 circulating decimal ...
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回环轨道及支架 Loop sections with supports
环轨行省 Orbital Torus State
环轨犁式给煤机 coal loop track plough feeder
掠环轨道 Ring-Grazing Orbits
轴承外环轨道损坏频率 Ball Pass Frequency Outer Race
轴承内环轨道损坏频率 Ball Pass Frequency Inner Race
精确的循环轨道 Exactly Recurring Orbit
环形轨道 [航] circular orbit ; circular railway
重点考察了月球重力场误差、观测量精度、初始时刻的先验轨道误差以及观测资料类型等对环月飞行器定轨精度的影响。
Especially, the effects of lunar gravity, observation accuracy, orbital error and observation data types on the orbital determination accuracy of the lunar orbiter have been carefully investigated.
采用摄动-增量法研究电机工程中一类强非线性振子的极限环和同宿轨线。
Investigates a class of strongly nonlinear oscillators in electrical engineering by using the perturbation incremental method.
给出了完整的分支图和各区域上的相轨线结构。结果表明，非对称项引起二重极限环分支和分支曲线的复杂性。
Moreover, a formula for calculating double limit cycle bifurcation is derived. Finally, the complete bifurcation diagrams and phase portraits are obtained.
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