America's education system has become less a ladder of opportunity than a structure to transmit inequality from one generation to the next.

美国的教育体制不再是通往机遇的阶梯，而是一个将不平等代代相传的体系。

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This paper introduces the basic concepts of states, State Procedure and Step Ladder Instruction and its application method in designing VMGC100 electric system.

介绍了状态元件，状态转移图和步进顺控指令的基本概念以及在VMGC100超精机电气系统设计中的应用方法。

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The railway dispatching telephone system may be treated as a ladder network, its transmission characteristics can be precisely analysed and calculated by continuants (one kind of determinants).

铁路调度电话系统可作为一个梯形网络，其传输特性可以利用连续式（行列式的一种）进行准确的分析和计算。

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The length of time it has taken is nothing to do with lack of ability, everything to do with how the talent ladder of the motor racing system works - or doesn't.

BBC: How good is Button?

It is further down the ladder that Germany's banking system is proving inadequate to satisfy the Mittelstand's thirst for credit.

ECONOMIST: What's ailing German industry

We look forward to continue working with them to create a system where students can climb the economic ladder and live their American Dream.

WHITEHOUSE: Press Briefing