Continous observations of the propagation delay variation of BPM standard time signal were carried out in real time at Wuhan Ionospheric Observatory by a digital display system.
利用新研制的短波传播时延实时数字显示系统，在武汉电离层观象台对BPM时号的传播时延进行了长时间连续观测。
Key issues of collaborative assembly modeling are the assembly interface representation scheme and the real-time design modification propagation mechanism.
装配接口表达方案和协同装配模型修改实时传播机制是协同装配建模研究的重点。
The simple improved back propagation algorithm of the SNC is liable to real-time and on-line control.
单神经元控制器(snc)结构简单，改进的反向传播算法适合实时在线控制。
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