"As Republicans,we believe you create those new jobs by keeping taxes and regulation low, and litigation at a minimum.
VOA: standard.2009.08.08
So, for example, we were talking about a threshold frequency as in a minimum frequency of light that you need in order to eject an electron from a metal surface.
举个例子来说,我们谈论的临界频率是,光从金属表面逐出一个电子,所需的最小频率。
You can pay more into the cash value in one year and less in another year, as long as you keep paying a minimum amount.
你可以在某一年支付更多的现金,而在另一年支付少一些,只要投保人满足最低缴费要求就行
In some sense, that's one reason to associate this as a kind of energy, H just like mechanical energy u or enthalpy H, it's the minimum free energy state that is the equilibrium state under the relevant conditions.
在某种意义下,这是我们把这些物理量称为能量的原因,就像机械能U和自由焓,具有最小自由能的状态在特定的条件下,就是平衡态。
Specifically, it's always the z that forms the sigma orbital, and the reason is at least at a minimum for this class we always define the internuclear axis as the z axis, so this is always the z axis, so it's always going to be the 2 p z's that are coming together head-on.
特别的,z总是形成sigma轨道,这是因为至少在这个课里面,我们总是定义核间轴为z轴,所以这总是z轴,所以2pz轨道总是,朝一个方向出现。
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