According to data released in January 2017, 56 percent of bills are paid online, which means that just under half of payments still rely on delivery services to be completed.
2017年1月发布的数据显示,56%的账单是通过网络支付的,这意味着只有不到一半的账单是通过快递服务完成的。
All existing supplies of helium ought to be conserved and released only by permit, with medical uses receiving precedence over other commercial or recreational demands.
现有的所有氦供给应该被保存下来,并且只有在获得许可的情况下才能释放,医疗用途优先于其他商业或娱乐需求。
Firstly, all existing supplies of helium ought to be conserved and released only by permit, with medical uses receiving precedence over other commercial or recreational demands.
首先,所有现有的氦供应应该被保存下来,并且只有在获得许可的情况下才能释放,医疗用途应优先于其他商业或娱乐需求。
Shel Silverstein died in nineteen ninety-nine but a new album of his songs will be released next week.
VOA: special.2010.06.04
But in general, for each neurotransmitter that released it there would only be one population of receptors that's ready to receive it.
但总体说,每一种在此释放的神经递质,只能被一类受体接受
we start high and go low, we're dealing with emission where we have excess energy that the electron's giving off, and that energy is going to be equal the energy of the photon that is released and, of course, through our equations we know how to get from energy to frequency or to wavelength of the photon.
当我们从高到低时,我们说的,是发射,电子有多余的能量给出,这个能量等于,发出,光子的能量,当然我们可以通过方程,从能量知道,光子的频率,和波长。
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