The channel is only a few centimeters in diameter, but that is wide enough for electrons to follow the channel to the ground in the visible form of a flash of lightning.
这个通道的直径只有几厘米，但它的宽度足以让电子以闪电这样看得到的形式随着通道到达地面。
The simulator is 1.5 metres in diameter and is mounted on a frame that is 2.3 metres tall and 5 metres wide.
暴风模拟器直径1，5米，安装在高2，3米宽米的构架上。
Stars range in size from neutron stars, which can be only 12 miles (20 kilometers) wide, to supergiants roughly 1,000 times the diameter of the sun.
恒星的尺寸范围从仅有12英里宽(20公里)的中子星到大约1000倍太阳直径的超大恒星。
Stars range in size from neutron stars, which can be only 12 miles (20 kilometers) wide, to supergiants roughly 1, 000 times the diameter of the sun.
恒星的尺寸范围从仅有12英里宽(20公里)的中子星到大约1000倍太阳直径的超大恒星。
Two main kinds of solar convection cells exist —granulation cells about 600 miles (1,000 kilometers) wide and supergranulation cells about 20,000 miles (30,000 kilometers) in diameter.
太阳有两种主要的对流环——宽约600英里（1000公里）的米粒组织和直径约20000英里（30000公里）的超米粒组织。
The result shows that the nano-particle surface charge is negative and its diameter distribution is more wide in brush plating solution.
实验结果表明纳米颗粒在镀液中荷负电，其粒径分布较广；
For instance, a 900 mm diameter, 600 mm wide Banki turbine running from a head of 20 metres at one cubic metre per second will produce in excess of 260 shaft horsepower at about 500 RPM.
例如，一个直径900毫米，600毫米宽本吉涡轮机运行在一个从20米的头立方米米每秒将产生超过260马力左右轴每分钟500转。
The diameter and length of fibers are in wide ranges.
产物的直径、长度分布范围较广。
In this paper, the wide-diameter of generalized hypercube is proved in two ways whose difference is to use mathematical induction and constructing method to prove the inequation (1).
论文用两种方法给出了广义超立方体网络宽直径的具体证明，而两种方法的主要区别在于分别采用数学归纳法和直接构造法证明了不等式(1)。
In this paper, the wide-diameter of generalized hypercube is proved in two ways whose difference is to use mathematical induction and constructing method to prove the inequation (1).
论文用两种方法给出了广义超立方体网络宽直径的具体证明，而两种方法的主要区别在于分别采用数学归纳法和直接构造法证明了不等式(1)。
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