A camera at the bottom of the lens tracks the viewers by collecting light coming the other way through the lens and the Angle of the LEDs changes to correspond to the viewers' movements.
透镜底部的摄像头通过收集反射回来的光线定位观众的位置，同时发光二极管的角度根据观众的移动发生改变。
The light then bounces off the bottom mirror, and then bounces again off the underside of the top mirror.
这些光随后经底层镜子反射，又再次经顶层镜子底部反射。
A tiny electromechanical switch under the bottom mirror can also lift it up, adjusting the spacing and preventing it from reflecting any light at all.
底层镜子下的一个微型机电开关也能抬高镜子，从而调节间距并防止镜子反射任何光。
The scientists observed that the tetras that normally spend time in the light do sleep soundly at night, resting on the bottom of their tanks.
科学家观察发现，接触阳光时长正常的鱼类在晚上会在鱼缸底部睡得很安稳。
When these micron-sized lightfoils were immersed in water and hit with 130 milliwatts of light from the bottom of the chamber, they started to move up, as expected.
将这些微型光膜器浸入水中，然后用130毫瓦特的光从底部照射它们，不出所料，它们开始上升。
We are going to mask out the top and bottom of the planet to make it look like it is fading into the darkness at the top and into the light at the bottom.
我们将要把行星的顶部和底部遮住，以使它的顶部看起来渐隐于黑暗中，底部渐隐于高光中。
The little giraffe is light in her hand, but when she turns it over to read the tiny price tag stuck to the bottom of its feet she puts it down immediately.
她手里的小长颈鹿很轻，但等她翻到缝在长颈鹿脚上的价格标签一看，迅速放了下来。
Light enters at the thinner, bottom end of the lens and bounces around until reaching the desired Angle and emerging from the front of the lens.
光线在确定合适角度以后，经透镜底部较薄处折射后从透镜前端发出。
The detector is housed in a 12 million gallon tank of water surrounded by 11,000 light sensors, at the bottom of an abandoned mine 3300 feet underground.
该探测器设在一个3300英尺深的地下废弃矿井的底部，主体是一个1200万加仑容积的水箱，周边安置有11000个光传感器。
The new lens, which is thinner at the bottom than at the top, steers light to a viewer's eyes by switching light-emitting diodes along its bottom edge on and off.
这个新镜头，底部比顶部更薄，通过切换镜头底部边缘的发光二极管的开和关，控制进入到观众的眼睛的光线。
At the bottom of the stairs my hand met an electric switch. I turned it, and a great electrolier of twelve red globes flooded the cellar with a red light.
到了最下边一级台阶，我的手碰到一个电源开关，我打开它，一座安了十个红灯泡的大型吊灯架让地下室里一片红色。
In the photo to the left, autofocus would be almost guaranteed by using the bright light at the bottom.
在左边的照片里，你可以利用画面底部的亮处进行自动对焦。
Rediscovered from the bottom of that dirt-laden heap, it was able to see the light, still in good state. It was such a relief!
在那一大堆布满灰尘的报纸下面被重新发现后，这张照片又重见天日了，它仍旧完好无损，这真让人舒了一口气！
The incredible shapes and colours of the boozy artwork are highlighted by shining natural light on top and through the bottom of the slide.
要获得这些艺术照中显示的奇特形状和颜色，需要向载物片的上下两面照射自然光。
And these molecules would interact with these very small and light particles and so the light particles would never make it to the bottom.
同时液体分子又会，与微小的颗粒相互作用，所以微小颗粒，不会沉到底部。
The real light comes from the fire, at the bottom of a small stove adorned with yellow and green enamel.
真正的光源是炉底的火，小小的炉灶上涂着黄色绿色的釉彩。
For the most convincing look, assume the light source to be at the top left of the page - the shadow should simply be a thick grey line along the bottom and up the right edge of your shape.
为了更好看，在页面的左上方加上光源-阴影应该是沿着你形状的右边缘的上部和底部勾勒出粗的灰线条。
Suppose I have a liquid - which has very, very fine, small particles in it — extremely small, so small and so light that they will not sink to the bottom.
假设这里有一些液体，里面有许多微小的颗粒-，它们很小、很轻，所以不会沉到底部。
Here you have a light source at the bottom and here you have a screen with two slits in it, very small slits.
你们可以在底部看到光源，在屏幕上有两条缝，很细的缝。
Assuming the bubbles emanate from our Galaxy's center, the scale of the bubbles is huge, rivaling the entire Galaxy in size, and spanning about 50, 000 light years from top to bottom.
据推测这些气泡是从我们的银河系中心发出的，它们的尺寸极大，可以与整个银河系相比，从头到尾大约蔓延了5000光年。
I held my glass up to the light and watched the whispers of tiny bubbles rising from the bottom.
我举起酒杯迎向灯光，端详细小的泡沫由杯底升腾时的私语。
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。”
If the type is printed in big sizes there can be a much smaller difference between the x-height of the light and the black weight (bottom line drawing).
当字体大字号印刷时，两者的x高度之间的差异就微乎其微了(参见图中下一行)。
In the center of the craft where the fuselage would be, there was a red blinking light on top of the craft and one on the bottom.
在该工艺将在机身中心，有一个红色闪烁顶部和底部工艺一盏灯。
Suspended by pairs of minimal aircraft cables, the fixtures are comprised of rectilinear wooden blocks of alder to match the ceiling with an LED light slot on the bottom.
以最小的飞机电缆悬挂，装置由底部设发光二极管的阿尔德直线积木组成，并与天花板相呼应。
The light is red and beautiful, and has strong penetrating power to reach the bottom of aquarium.
漂亮的红光具有很强的穿透力，可以直达养鱼缸底部。
The distribution area is flooded with unusual blue-tinged aquatic light, provided by a horizontal porthole in the bottom of the children's paddling area.
分布的空间被水产生的梦幻淡蓝色光所淹没，这些光来自于儿童戏水区底部的水平舷窗。
Thanks to ice's buoyancy, even a light breeze can send those frozen boulders sailing across the muddy bottom of the lakebed.
由于冰有浮力，即使是一阵轻风也能帮扶着冰冻卵石一直划过湖床的泥泞底部。
Background in light blue as the bottom, highlight LOGO and navigation, structured, other elements remain simple styles to suit the demands of foreign language stations.
背景以浅蓝的为底，突出LOGO与导航，层次分明，其它元素保持简洁风格，以适应外文站的诉求。
Background in light blue as the bottom, highlight LOGO and navigation, structured, other elements remain simple styles to suit the demands of foreign language stations.
背景以浅蓝的为底，突出LOGO与导航，层次分明，其它元素保持简洁风格，以适应外文站的诉求。
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