较大日志缓冲池的不利之处是，紧急事故恢复所花的时间可能要稍微长一点。
The downside of a larger log buffer is that crash recovery can take slightly longer.
但是传统的活性污泥法工艺存在工艺流程长、污水停留时间长、单位面积处理能力低、反应池占地面积大、污泥膨胀等缺点。
But the conventional activated sludge process technology has some shortcomings: long water residence time, low processing power per unit area, large area reactor, sludge bulking and so on.
水上运动中心作为一个多功能建筑，内部包括了一个25米长，6泳道泳池、一个休闲池、儿童泳池、热水浴缸、水滑道、泰山索道以及跳水板。
It is a multi-purpose swimming pool facility that includes a 25m, 6-lane pool, leisure pool, tot pool, hot tub, slide, tarzan-rope, and diving board.
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