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。
2
We could say an energylevel 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。
3
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.