According to the announcement, new energy small bus number will not be affected by single and double tail number, the new energy buses and trucks travel restrictions also release accordingly.

根据通告，新能源小型客车将不受单双号尾号限行，新能源大型客车和货车通行限制也相应放开。

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The Double Bubble sports a wide, downward-sloping nose which airflow pushes up, so its tail wings can be much smaller.

“双泡沫”机头部宽大、向下倾斜，导致气流上升获得升力，所以它的尾翼可以更小。

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Like the topsy tail hairstyle of years gone by, the double hair knot sits roughly at the nape of the neck or a little higher.

就像前几年的花苞头（将发尾倒置然后包进头发里），双发结发型大致就在颈背处或再高一点。

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Researchers at MIT, led by Dr Mark Drela and tasked by NASA, have come up with a double-wide design: instead of the traditional single cylindrical body, two partial cylinders are joined together with three engines at the back of the plane between the double tail.

BBC: The futurist: Will green aeroplanes take off?

The citral molecule has a double bond in its tail, which, when it comes into contact with acid, forms a circular structure.

FORBES: Magazine Article

It is true that an appreciation might modestly and temporarily slow China's growth as the economy changes gear but, since China's exports contain lots of imported inputs, it is hard to see even a double-digit yuan appreciation sending exports into a tail-spin.

ECONOMIST: China should loosen its currency peg��and quickly