大家在查：文强十九6 Ortigue 毁灭了安德莉亚王彤 women's movement Enis tons next 迈克尔·纳特

1千米

1千米

1千米

1千米

1

In 197o, researchers at Corning Glass Works were able to produce a kilometer-long ultrapure optical fiber .

1970年，康宁玻璃厂的研究者们能生产出了光可以穿行 1 千米的超纯光纤。

2

The current range of the system is about a kilometer .

这个系统普遍的射程大概在 1 千米左右。

3

They have been mining ore here since 1958 . The mine has a depth of 340 meters , a width of 950 meters and a length of 2 . 1 kilometers.

他们自 1958年起采矿至今。矿深 340 米，高 950 米，长 2.1 千米。

4

His goal was to extend the 20 meters to a kilometer.

他的目标是从 20 米延长到 1 千米。

5

Stretching over one kilometer from Dongzhimen Bridge to Jiaodaokou Dongdajie, this is the only street in Beijing that truly never sleeps .

从东直门桥延伸到交道口东大街，1 千米来长，这是北京唯一一条真正不睡觉的街道。

7

The plant has a line which is 1 km long. It is used for mechanical run tests .

工厂里有一条长达 1 千米的轨道。它用于机械运行测试。

8

Scale in the original image was 1 kilometer (0 . 6 mile) per pixel.

原始图像的比例尺是每像素 1 千米。

9

his home is 1 kilometer away from his school

他家离学校 1 千米

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