The preliminary test result shows that the combustor can be reliably ignited under the condition of large nozzle throat, the combustion process is stable and combustion efficiency is high.
初步研究结果表明，该方案在大喷管条件下点火起动可靠，燃烧过程比较稳定，燃烧效率高。
The measurement method for total boron content of graphite contained boron was mainly described in this Paper and Preliminary approach to the factors affected test result was made.
本文主要介绍含硼石墨总硼含量的测试方法，并对影响试验结果的因素进行初步的探讨。
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