Given that core inflation was so low when the recession began, it is not a stretch to believe that, with so much slack in the economy, it could yet turn negative.

由于衰退之前的核心通货膨胀率并不高，人们很容易就会想到在经济萧条之后，通货膨胀率可能会降到负数。

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WHEN Charlotte Hobbs decided to teach her 11-year-old pupil about the "imaginary" maths needed to work out the square root of a negative number, she knew it would be a stretch.

当夏洛特·霍布斯决定教她11岁的学生用来计算负数平方根的虚数时，她知道这是一个艰巨的任务。

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Research on the negative plates with copper-stretch-metal (CSM) and lead-alloy grids was helpful to take good use of negative plate with CSM grid.

对铜拉网板栅与铅合金板栅负极板性能的研究，有助于人们更好地利用铜拉网板栅负极板。

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In fact, analysts now expect negative growth for the next quarter and for the current year period as well, suggesting a rough stretch for the company going forward as well.

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