TIG：点火时间

“Time of IGnition”通常缩写为TIG，这一用法在机构领域较为常见，尤其是在美国航空航天局（NASA）的相关文件中频繁使用。采用缩写形式不仅便于快速书写，也能有效提高信息传递效率。该术语的中文含义是“点火时间”，通常指火箭或发动机启动点火的精确时间点，是航空航天任务中的关键参数之一。

One of the reasons causing these problems is the difficulty in controlling the time of ignition.
其原因之一是着火时刻难以控制。
Under the condition of reasonable controlling on time of ignition of two level or multilevel spherical charge, the downgoing energy of seismic wave can be improved and the vibration of surface can be reduced.
在合理控制两级或多级球形装药起爆时间条件下，能提高地震波的下传能量，同时减少地表的振动。
By the experiments, we have proved that the delayed time of ignition is not only dependent on the surface-to-mass ratio of aluminum dust, but also on the content of pure aluminum in an aluminum particle.
点火延迟与铝粉颗粒的比表面积和活性铝的含量有关，而与环境的氧含量基本无关；
Compared with other ignition methods, digital ignition has the advantages of good adaptability, fast responsibility, and precise control of the time of ignition.
数字点火方式具有适时性好、响应快、控制点火时刻更为精确等其他点火方式无法比拟的优点。
And the ignition temperature becomes lower, the delay time of ignition becomes shorter and the highest temperature becomes lower with the increase of compact density.
随压坯密度提高，体系点火温度降低，点火延迟时间缩短，所达到的最高温度也降低。

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