周线：就是一周的K线，以周一开盘价为周线的开盘价，以周五收盘价为周线收盘价。以一周内最高价为周线最高价，以一周内最低价为最低价。
本文主要讨论一种特殊的复变函数的积分——周线积分。
This paper mainly discusses a special kind of complex function — contour integral.
但以更长远的周线或月线图表来观察同一个市场能获得一个完全不同的观点。
But a look at the longer-term weekly or monthly chart for that same market can reveal a completely different perspective.
本周沪指数收于2871点，总体来说，调整很稳定，周线也收于支撑上方。
The index closed at 2871 for the week. Generally, the adjustment is stable and the weekly candlestick finally stood on the support line.
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