1.Oral contraceptives can be taken continuously (with no placebos) or cyclically with a week of placebo pills between cycles.
口服避孕药可以周期性使用，在使用中需要一周的安慰剂。
2.If Congress had the wit to alter the rate counter-cyclically, so much the better, but let us not make wild assumptions.
如果国会还懂得逆周期调整税率，那就更好了，但我们还是不要太异想天开了。
3.One of the first gauges to register such an event would be the cyclically sensitive ISM.
能够表明这样一个事件的早期指标之一将是周期敏感性指标ISM制造业指数。
4.The rare nature of this recession precludes a cyclically normal US recovery.
本次衰退的不寻常特性，排除了美国经济正常周期性复苏的可能性。
5.'We have tended to invest counter-cyclically in the region, ' he said.
尹致源说，我们已倾向于在亚太区做反周期投资。
6.In this system, patches of forest are cyclically felled, burned, cultivated, and then fallowed for a time.
在这个系统化的过程中，森林被一小片一小片的相继砍伐、烧毁、耕作，然后休养生息一段时间。
7.By measures that compare price to average earnings (Robert Schiller's cyclically adjusted ratio) they look far from cheap.
比较一下市盈率（罗伯特·席勒的周期性调整比），它们远远谈不上便宜。
8.The cyclically varying pitch and roll of the 284-step spiral staircase make for a dizzying experience, especially walking down.
循环起伏的284阶螺旋形楼梯会让人产生眩晕感，尤其是下楼的时候。
9.After the US and the UK , the cyclically adjusted government primary balance is the worst among the OECD countries.
除美国和英国以外，在经合组织（OECD）成员国中，日本经周期调整的政府一级财政结余是最差的。
10.US equity prices are also more than twice the level long term cyclically adjusted price-to-earnings ratios say they should be.
以经周期性调整的长期市盈率作为衡量标准，美国股市目前的点位也比应有水平高出了一倍以上。