做为高级飞机研究项目的老兵，他以美国空军试飞员的身份参与F - 117隐形战斗机的研制并且是YF - 22的常规动力学的试飞员。
As a veteran of advanced aircraft development programs, he served as a US air Force test pilot on the F-117 stealth fighter and as a General Dynamics test pilot for the YF-22.
根据特殊的地质和水动力学特征，对常规物质平衡方程进行了改进。
Based on the special geologic and hydrodynamic features, the conventional material balance equation is modified.
目的研究常规组织扩张术(CITE)和持续恒压组织扩张术(CPTE)中细胞动力学的改变。
Objective To investigate the cell dynamic changes of conventional intermittent tissue expansion (CITE) and continuous pressure controlled tissue expansion (CPTE).
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