线路通过能力指某一方向一小时内通过某一点的列车数量。线路通过能力又分为区间列车运行能力和端站列车折返能力。()
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这些课程吸引了各行各业的人(walk of life)。
Built in 1830, the house retains many of its original features.
I know that dating has changed dramatically in the past few years, and for many women, asking men out poses no risk.