张前
张前-
实验观察各组在肺复张前、肺复张过程中、肺复张完成后0、5、10和15min时血流动力学，同时监测呼吸力学、动脉血气分析。
Hemodynamics were measured frequently before the RM , during the RM and at 0 , 5 , 10 , 15 min after the RM . Arterial blood gas analysis and pulmonary mechanics were also observed at the same time .
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他是怎样弄到四张前排球票的，我永远不会知道。
How he finagled four row seats to the game I 'll never know .