Unfortunately, most in-camera light meters become inaccurate or Max out at about 30 seconds.
不幸的是,许多内置测光器最多在30秒左右就变得不太精确了。
This reminded me that we've all been brainwashed into believing something that isn't true: light meters don't measure 18% gray.
这提醒了我,长久以来我们都被一个错误的观点所洗脑了——实际上,测光表所测量的,不是18%灰。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
它们将一束集中的光线反射到城镇的中心广场上,形成面积大约为600平方米的阳光区域。
The whole square is covered by green grass. There are peristele light every 20 meters.
整个广场绿草茵茵,每隔20米有航标石柱灯。
The different rods, placed at a heigh of two meters, shape a continuous mesh that "cuts down" the heigh of the establishment, bringing light to the tables and achieving a perfect light intensity.
不同的灯杆,约两米的高度,阵列成一个连续的网格,“削减”了既存的顶面高度,也将光照引向餐桌,形成完美的光照强度。
Special relativity is also based on a second assumption that gives the speed of light - 186, 000 miles per second (300 million meters per second) - in a vacuum a special status.
狭义相对论也奠基于它的第二个假设:他所设定的真空中光速为每秒186,000英里(每秒300,000千米)有它的特殊地位。
But at that time, the light pulses could travel only about 20 meters through the glass fibers before 99 percent of the light had dissipated.
但是在那个时候,光脉冲在玻璃光纤中只能穿行20米,99%的光都被损耗了。
Einstein's theory of special relativity sets of the speed of light, 186,000 miles per second (300 million meters per second), as a cosmic speed limit.
爱因斯坦的狭义相对论把光速定位在每秒186,000英里(每秒300,000米),并把它作为宇宙的速度限制。
The trench is most sharply defined on the eastern (continental) side: depth plunges rapidly from a few hundred meters (light blue) to several thousand meters (deep blue).
海沟最明显的界限是东部靠大陆的地方:海水深度突然从两三百米(浅蓝色)迅速降低到数千米(深蓝色)。
Claims that it's possible to push light beyond 186, 000 miles per second (300 million meters per second), are equally illusory, Galison said.
声称可能把光速增加到超过每秒186,000英里(每秒300,000千米),同样也是虚幻的,盖利森说。
The network of generators, meters, transmission lines, substations, and the light bulb-all of which Edison combined into a profitable new business-was an innovation.
网络的发电机、米、输电线路,变电站,电灯泡——是爱迪生一个商业利益的结合。
P2: Yes, go along this road for about 100 meters until you come to the traffic light. turn right that's 5th avenue and Parcesun street is the second on the left. Ok?
好的,沿着这条路走大约100米就到了第一个红绿灯处,向右转是第五大道,Parcesun 街就是左边第二条街,好了吗?
Red light dissipates beyond about 30 feet (10 meters), so the reddish hue of this fish would appear black in deeper waters, allowing some degree of invisibility for this nocturnal hunter.
红光在10公尺以下的深处就会消散,所以这条鱼身上的红色调会在较深处呈现黑色,让这种夜行性猎食者在某种程度上能隐形。
The radius r--I'll give your light back because it may be nicer for you... The radius is 15 meters.
半径r,我把灯打开,便于你们听课。,半径是15米。
Special relativity is also based on a second assumption that gives the speed of light — 186,000 miles per second (300 million meters per second) — in a vacuum a special status.
狭义相对论也奠基于它的第二个假设:他所设定的真空中光速为每秒186,000英里(每秒300,000千米)有它的特殊地位。
Yesterday, complete province remains fine fine day to enrage, major area has the morning light mist, the south of Suzhou still appeared visibility is less than 1000 meters big mist.
昨天,全省仍然是晴好天气,早晨大部分地区都有轻雾,苏州的南部还出现了能见度小于1000米的大雾。
Claims that it's possible to push light beyond 186,000 miles per second (300 million meters per second), are equally illusory, Galison said.
声称可能把光速增加到超过每秒186,000英里(每秒300,000千米),同样也是虚幻的,盖利森说。
For example, there will be a different adjustment when shooting at 8 meters versus 3 meters because of the different amount ambient light at each depth.
比如,在8米与3米位置的调整是不同的,因为光线的吸收程度不同。
All the Spaces, including the corridors, are wide, light and tall - up to six meters high.
包括走廊在内的所有空间均宽敞明亮,层高高达六米。
Without a strobe light to animate its riot of colors, this Fijian reef in 45 feet (14 meters) of water remains as a fish would see it.
不需用闪光灯来凸显这块水下45英尺(14米)斐济暗礁的奔放活力,鱼儿自会感受到。
Built on a plot only nine meters wide, a three-storey house built with large Windows that spread natural light all around the rooms.
在一个阴谋上建造只有九公尺宽的,在房间的周围四处的与传布天然的光的大的窗户一起建造的一楝三层楼高的房子。
Most through-the-lens meters will compensate for the lost light, but be sure you are using the right type of filter.
大部分穿过滤镜的光可以补偿损失的部分,但你要确保使用的滤镜种类正确。
Most through-the-lens meters will compensate for the lost light, but be sure you are using the right type of filter.
大部分穿过滤镜的光可以补偿损失的部分,但你要确保使用的滤镜种类正确。
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