Fast ground tennis the pressure of the military tactics trains of the method can carry on the classificationofsystem from the different angle, if carry on training according to the output reason;
快速球场网球战术的压力训练的方法可以从不同的角度进行系统的分类,如根据产生的原因进行训练;
2
The concept of condensed body, main controlling factors of lacustrine sedimentary sequence, classificationofsystem tracts, and research methods of continental sequence stratigraphy are discussed.