And on two previous occasions it has reduced the level of tax rebates that exporters of energy-intensive goods can claim, in some cases down to zero.

它已经两次降低能源密集型产品出口商能够申请的减免税额度，在一些商品中已降为零。

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We could say an energy level diagram 0 This would be energy. Here is zero.

我们可以画一个能量图,这是能量，这里是。

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One shortcoming of these beams is that they typically have a range of energy, caused by the gradual rise of laser power from zero to its maximum level.

但它的一个缺点就是，激光功率从零升到最大值的过程，会使粒子或X射线束具有一定的能谱分布。

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