美国陆军颁布了一个与布罗瓦技术公司签订的合同，合同规定该公司将提供被用于通讯，照明，培训和保护的烟火设备。
The US Army has awarded a contract to Bulova Technologies for the provision of pyrotechnics to be used for communication, illumination, training and protection.
军事应用和娱乐应用并行，火器和烟火齐盛，是中国古代火药技术的独特结构。
The unique composition of early gunpowder technology in China lies in that military application and entertainment run parallel and firearm and firework prevail in unison.
利用顶空气相色谱技术鉴定了竹醋液中烟火味的含量，研究了竹醋液烟火味的脱除工艺。
In order to bamboo vinegar be applied widely, the paper studied the removal protechny technics in bamboo vinegar liquid by the basis HSGC.
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