在其中起作用的当然还有其他的因素，包括技术进步、全球化运动、以及移民现象。而移民这个现象，则成了一个横跨两党疆界的问题。
There were certainly other factors at work, including technological change, globalization and immigration, an issue that cuts across party lines.
技术进步包括电解、船上的精密计时器、化学反应、机床和水力纺纱机等等。
Technical advances included electrolysis, the ship’s chronometer, chemical processing, tool-making machines, and the water frame.
这些技术进步包括高级集群支持和最近的分栏式和基于单元的内存中dbms。
These technical developments included advanced clustering support and, more recently, columnar and cell-based in-memory DBMS.
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