One important area of interest is the improvements in on-line light scattering instruments and the introduction of ultrasonic on-line devices.

所关心的一个重要的地区是在在线轻的散布的仪器和跨音速在线设备的介绍方面的改进。

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On the bottom of the map, a line says: ‘[This map] illustrates how entrepreneurship and freedom can light up the world with friendship.’

地图下方一行小字为“此图展现出自由、创业进取，联合友谊如何照亮全球。”

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However, brain thinks that the reflected light comes to eyes in a straight line, so an image is seen behind the mirror just on the extending line of the reflected light.

而大脑则以为反射光线是沿直线到达眼睛的，因此沿反射光线向后延伸，从而在镜子后面看到一个影像。

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New Jersey Transit is no more consistent than the MTA, forbidding alcohol on its Hudson-Bergen light-rail line while allowing it on other services.

WSJ: End of the Line for Midnight Drinkers

Calzaghe, unbeaten in 45 bouts, was king of the super-middleweight division - holding the WBC, WBA and WBO titles - but The Ring light-heavyweight crown he won by beating Hopkins was to be on the line against four-weight world champion Jones.

BBC: Calzaghe postpones Jones Jr fight

Former Hennessy Cognac Gold Cup winner Strong Flow will represent Dessie Hughes, with Baron De Feypo and Light On the Broom completing the line-up.

BBC: CHOOSE A SPORT