The closed bomb tests manifest that the apparent burn rates of damaged NEPE propellants vary considerably.

密闭爆发器试验显示，损伤对燃烧稳定有明显影响。

youdao

The isovolumetric burning performance of deep deterred oblate spherical powder(DDOSP) with large web is investigated by the closed bomb test.

利用密闭爆发器试验研究了大弧厚深钝感球扁药的定容燃烧性能。

youdao

The time frequency information of pressure in closed bomb is gained by using wavelet. Application of wavelet in the trend detection and signal denoising is discussed.

利用小波变换提取了密闭爆发器压力信号的时频特征，讨论了小波在压力信号趋势检测和信号去噪方面的应用。

youdao

Homes in the area were evacuated and two primary schools were closed as army bomb experts deal with the device.

BBC: Northern Ireland

The place has a feeling of uncertainty - two people at the bar, for example, are wondering whether they will be able to get back into their own hotel, closed because of a bomb scare.

BBC: Boston Marathon blasts 'felt like 9/11'

But the blocks around the bomb sites remain closed to the public while Boston officials clean up the area and make sure the buildings are safe to occupy.

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