Youquanzi oilfield is a shallow low production reservoir with low permeability and low pressure.

油泉子油田是一个浅层低渗、低压的低产油藏。

Go long when Stochastic traces a bullish divergence, that is, when prices fall to a new low but the indicator makes a more shallow low.

当随机指标跟踪到看涨背离时，也就是说，当价格跌到新低，但是指标只是达到比较浅的低点时做多。

Objective:To evaluate the long-term outcome of mitral valve replacement with giant heart under shallow low temperature cardiopulmonary bypass in beating heart.

目的：评价在浅低温体外循环心脏跳动中巨大心脏病人二尖瓣置换术的远期疗效。