The difference between the recorded pressure and absolute pressure should be noticed in the low pressure experiment data process as well as the selection of the burning rate and pressure correlations.

• 在低压贫氧推进剂燃速及燃速压强指数的数据处理过程中，应注意表压和绝对压强之间的差异，同时要注意选用合适的燃速规律。