内驱力减退说是基于生物学和心理学的驱动力理论而产长的。
Drive Reduction Theory is based all around biological and psychological drives.
本文介绍固体燃料底部排气燃烧空气动力理论及实验研究的若干结果。
This paper introduces some results of theoretical and experimental aerodynamic investigation of base bleed by solid fuel combustion.
未来时间观点(FTP)是西方教育界近年来比较关注的学习动力理论。
Future Time Perspectives (FTP) has gained much interest from western researchers of educational motivation in recent decades.
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