The picture, taken with upgraded Hubble's powerful new camera, shows a mysterious X-shaped pattern with trailing streamers of dust that suggest the collision was head-on, say experts.

专家说，这张用改进的哈勃功效强大的新相机拍摄的照片显示出一个神秘的X形图案，和由尘埃组成的尾部飘带，说明小行星是正面相撞。

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Finish the pattern to colour the kites' tail. Draw a picture on the kites to decorate them.

按已给出的颜色顺序继续为风筝的尾巴上色。填色完成后，在风筝上画画，装饰它们。

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You can regard it as a constitution element and a kind picture pattern feeling, that is, expression.

你也可以把它当成一种构成因素，一种画面形式感，表现就是这样的。

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Its staff of biologists and astrophysicists uses pattern-recognition software to get a clear picture of how all these genes are switching on and off, literally following how the genetic code is creating and recreating the body.

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One of the report's lead authors, Professor Michel Coleman, of the London School of Hygiene and Tropical Medicine, said it was important to look at the overall pattern of survival rates to build up a clear picture of what is going on.

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They could be placed in picture frames and alert someone - a doctor or family member - if the regular pattern of movement is altered.

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