两份权威性的报道显示了观测到的确实是行星。
地电阻率是观测地下介质电性结构随时间的变化。
Observe the electricity structure of underground medium and change over time in resistivity of ground.
不过几十年来的深空观测表明,这样的可能性极小。
But decades of observations of deep space make that possibility seem unlikely.
由此可见地应力-应变观测的重要性。
Thus it can be seen that stress strain observations are important.
可观测性分析是无源定位与跟踪系统的前提和基础。
Observability analysis is the basis and prime task in a passive location and tracking system.
第六节我们将证明开环系统(1.1)-(1.3)的精确可观测性。
In section 2.6, we show the open-loop system (1.1) - (1.3) is exactly observable.
第六节我们将证明开环系统(1.1)-(1.3)的精确可观测性。
In section 2.6, we show the open-loop system (1.1) - (1.3) is exactly observable.
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