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## unit ball

• [数] 单位球

### 网络释义专业释义

[数] 单位球

unit ball in cn cn中的单位球

unit ball of 单位球

a unit ball 单位球

open unit ball 开单位球

Unit ball graphs 单位圆球图

stable unit ball 稳定的单位球

closed unit ball 闭单位球

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• 单位球 - 引用次数：34

Here (t, x) denotees the time and space variables , G is the gravitational constant. wN is the measure of the unit ball in RN , and P is the pressure satisfying the following state equation:where 7 > 1 is the adiabatic exponent, with the entropy function S=S(t,x) in The system (0.1) is compressible Euler equations; the gravitional potential is determined by the density distribution of the gas itself through the Posson equation the fourth equation of (0.1).

∈R+×RN表示时间和空间变量，G是引力常数，ωN是RN中单位球体积；P是压力，并满足以下方程： P=P（ρ，S）=eSργ， （0.2）其中指数γ＞1是绝热常数，S=S（t，x）是R+×RN中的熵函数。 （0.1）是可压缩的Euler方程组；由（0.1）第四个方程知道，引力势能是由星体本身的密度分布决定的。

参考来源 - 旋转状态下Euler

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### 双语例句权威例句

• We revisit the classical extremal problem on Cartan domains. We first establish theorems for the extremal problem between Cartan domain and the unit ball.

研究了Cartan极值问题建立Cartan域的单位之间极值问题一个定理给出它的一个应用。

• The relation between the completeness of several local convex topology in normed vector space and that of induction topology of its unit ball was pointed out in this paper.

本文指出了赋线性空间一些局部拓扑完备单位上相应的诱导拓扑完备性之间关系

• Certain corrective actions of this guide may not be feasible with the Compact Ball Valve (sealed unit).

对于紧凑型球阀(密封装置)，指南某些纠正措施可能并不可行

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