After the piston rod retracts for a definite distance, the oil return amount of an oil cylinder can automatically reduce to realize speed reduction effect to the oil cylinder.
当活塞杆回缩至一定距离后，油缸的回油量便自动减少，从而实现对油缸的减速作用。
In Chapter 2, a series of discrete rate of return-amount of circulating fund models (discrete RRACF model) are built up under various different financial backgrounds.
第二章主要是在各种不同的金融背景下，建立了一系列相应的离散收益率-流通量模型。
In Chapter 2, a series of discrete rate of return-amount of circulating fund models (discrete RRACF model) are built up under various different financial backgrounds.
第二章主要是在各种不同的金融背景下，建立了一系列相应的离散收益率-流通量模型。
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