The key to this is the reduced density of the atmosphere, which affects how fast the ball moves through the air and also the bend of a spinning ball.
此处的关键在于大气的折合密度，它会影响球在空中穿越的速度以及旋转球的弯曲度。
Using it we can conveniently and simply convert a ME into its corresponding differential equation and from solution of which we can extract the reduced density operator.
该方法能方便、简洁地将密度主方程转化为对应的普通微分方程，并能从微分方程的解中提取出约化密度算符。
A general connection between the reduced fidelity susceptibility and quantum phase transitions is given in terms of the relation between reduced density matrix and ground-state energy.
根据约化密度矩阵与基态能量之间的关系，我们给出了约化保真率和量子相变之间的一般关系。
Underwater directional blasting can be achieved through the methods of reduced density of medium in thrown direction, formed directional pit, directional comulative blasting, delayed blasting etc.
水下定向爆破可以通过减少抛掷方向的介质密度、形成定向坑，利用定向聚能药包及延期爆破等方法实现。
Underwater directional blasting can be achieved through the methods of reduced density of medium in thrown direction, formed directional pit, directional comulative blasting, delayed blasting etc.
水下定向爆破可以通过减少抛掷方向的介质密度、形成定向坑，利用定向聚能药包及延期爆破等方法实现。
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