发射

A numerical method is gived to distinguish that a Petri net is a time charac-teristic nets or not.The time characteristics of transmit are discussed and the density formula of transmit is given. stochastic petri nets ; time characteristic ; distractive matte

一般情况下，随机Petri网现有的分析方法大多是假定变迁的发射时间服从负指数分布，然后将网标识过程等价于连续参数马尔可夫过程，然后利用求解马尔可夫过程的一套数学方法来分析Petri网的时间特

It thus can travel great distances without diverging from a tight beam.

因此，它可以发射到很远的地方而不从密集的光束中发散。

The main content of system design is: DSP Dolby Headphone System and nRF24E1 wireless transmitting the receiving system design.

系统设计的主要内容是：DSP杜比耳机系统和nRF24E1无线发射接收系统设计。

This is found by observing the doppler shift in the frequency of the radio signals broadcast from the satellite.

这是通过观测卫星所发射的无线电信号频率中多普勒偏移来确定的。

This is India undertakes one arrow double star launchs the mission first.

这是印度首次进行一箭双星发射任务。

The first steps to help blind people to see with sound are based on exactly double-barrelled version of a normal electric torch.

声音从一个形状象双筒电筒样的超声电筒发射出去。

Planning a June 2008 launch, the Doubletree by Hilton Beijing will be the brand's first hotel in Asia, and Justin Guo will be its general manager.

规划一2008年6月发射， doubletree由北京希尔顿酒店将成为品牌的首酒店在亚洲，和贾斯汀郭将是其总经理。

To ensure that fortune, your next step will be to build your downline while we are in pre-launch.

为了确保财富，下一步将是建立您的下线，而我们在发射前。

Multi-antenna technique is an effective means of improving performance of the downlink transmission.

摘要多天线技术是提高下行发射性能的一种有效方法。

According to the characteristic of the reverse range shift induced by the upslope and downslope of triangular FMCW modulation, the upslope and downslope are imaged, respectively.

调频连续波雷达的低发射功率使其具有低截获、隐蔽性好、抗反辐射导弹能力强的特点。

In this paper, the requirement analysis, design and implementation of the system are introduced in detail.

此论文详细介绍了系统的需求分析，系统设计和具体实现。

In the context of economic globalization is increasingly deepening, China's economy can not be spared.

在经济全球化日益加深的背景下，中国经济不可能做到独善其身。