O-mode waves launched from all of the three positions can propagate ideally by properly adjust the launch conditions.

寻常波从强场侧、弱场侧和顶部发射时，通过适当的调整波的发射条件，也能得到理想的传播结果。

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This section also covers managing file installation, registry Settings, file types, user interface, custom actions, and launch conditions.

本节还涉及文件安装的管理、注册表设置、文件类型、用户接口、自定义操作和启动条件等内容。

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In June, a Crew Module Adapter (CMA) simulator arrived at NASA Glenn's Plum Brook Station for testing, including all-important acoustics and mechanical vibration tests to simulate launch conditions.

六月，一个乘员舱适配器(CMA)模拟器抵达nasa格伦的梅溪站进行检测，包括所有重要的声学和机械振动试验，模拟发射条件。

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Earlier Wednesday, officials had expressed concern about weather conditions, saying the launch could be delayed.

CNN: Navy missile hits dying spy satellite, says Pentagon

Thus, boost-phase interception requires very prompt detection of a missile launch -- which adverse cloud and weather conditions can make difficult or impossible.

CENTERFORSECURITYPOLICY: Multilateral madness

Tommy Franks, Central Command commander, was given essentially a 48-hour window to launch this attack at his discretion, based on the conditions he saw at the ground, when he felt the timing would be absolutely right.

CNN: Jamie McIntyre on the A-Day strikes