I wanted ambient light to register, and I set the f-stop and shutter speed to where I could see from my camera's built-in meter that I would get ambient light to register.

我想要环境光曝光正确，因此我选择了相应的光圈和快门速度，并且通过观察相机的机内测光确保我的设置是正确的。

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It's built over a 300-meter-deep canyon in the Zhangjiajie National Forest Park.

它建在张家界国家森林公园300米深的峡谷上。

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Until the 10-meter Keck 1 was built in 1993, the Hale telescope had the best resolving power in the world.

在1993年10米的凯克望远镜建成之前，海耳望远镜一直是世界上分辨能力最强的望远镜。

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With the help of Bluetooth, MeterPlug slings data to an Android or iOS app, and shoots updated meter information -- stored inside built-in memory -- as you come into range.

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This 73-meter-high sandstone tower was built as a symbol of victory in the 13th century.

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Nanotechnology is the science of the very small, where machines and materials are built at the molecular level, and key components are measured in nanometers, or one-billionth of a meter.

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