The foundation of automatic block and cab signal is track circuit.

自动闭塞和机车信号的基础是轨道电路。

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Does not require precise positioning, Automatic block, Completely block advantage.

不需要精准定位，具有自动封堵、完全封堵的优势。

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With the establishment of CTCS technique criterion, traditional idea and method of automatic block system design are impacted.

CTCS技术规范的制定，对自动闭塞设计的传统理念和方法产生了冲击。

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Without a block of nearly automatic "yes" votes, elections that are controversial or close could turn out differently this year if individual investors take the time to vote.

WSJ: Getting Going: Why Proxy Votes May Matter More This Year

The dedicated block button common to earlier Mortal Kombat games has been discarded, replaced by automatic blocking in high or low lines with a backward motion of the joystick.

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