周率
- 与 周率 相关的网络例句 [注：此内容来源于网络，仅供参考]
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And from the development of automatic block both at home and abroad, the frequency type automatic block and cab signal seem to be the best.
从满足轨道电路的四条基本要求出发，作者提出使用不同信号周率时的比较标准和计算公式，列出计算结果和曲线，说明频率式自动闭塞和机车信号采用亚音频的周率范围最为合宜。
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The problem depends on how producing enough electric power when low rotate speed, and how be its changeover mains frequency with best method.
难题取决于怎样在低转速时型成足够的电能，以及怎样用最好的办法把其转化为电网周率。
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Increasing gate size allows barrel heats to be reduced, which means shorter cycles and more money in the molder's pocket.
逐渐增加的闸尺度让圆筒热被减少，这在造模者的凹虎中意谓较短的周率和较多的钱。
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The frequency of a sound is the number of cycles per second of a sound wave.
所谓频率，就是一个声浪每秒种的周率，声音频率越高，音节就越高。
- 推荐网络例句
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It is also known as one of the most poisonous naturally occurring substances.
它也被称为一个最自然发生的有毒物质。
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The greatest stress is found at the location on the cross section where V is the largest.
最大应力出现在横截面上V为最大的地方。
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It is the most important three water problem which our country faces in the 21st century that flood and waterlog, drought and shortage of water, the deterioration of water environment.
洪涝灾害、干旱缺水、水环境恶化是二十一世纪我国面临的三大水问题。