We must avoid the damaging boom-bust cycles which characterized the 1980s.
我们必须避免类似20世纪80年代那样破坏性的繁荣-萧条周期。
Ms. Mann is working with young offenders and trying to break cycles of offending.
曼女士在从事少年犯的工作，试图打破犯罪的恶性循环。
你知道太阳活动是有周期的。
You manage your energy in cycles that vary between work and rest.
您可以根据工作和休息之间的周期来管理自己的能量。
Further research might tell us more about these warming cycles too.
进一步的研究可能也会告诉我们关于这些变暖周期的更多信息。
Remember, too much coffee may throw off our sleep and energy cycles.
记住，喝太多咖啡会影响我们的睡眠和能量循环。
We use standard agile practices to track our work and feedback cycles.
我们使用标准的敏捷实践来跟踪我们的工作和反馈循环。
Normally, internal rhythms are kept in step by regular environmental cycles.
正常情况下，体内的节奏与规律的环境周期保持一致。
It assures that the astronomical cycles have been in existence for billions of years.
这使人们确信天文周期已经存在了数十亿年。
With so many idle cycles on my desktop processor, why would I need another processor?
我的台式处理器上有如此多的空闲周期，为什么我会需要另一个处理器呢？
Any questions about going through these cycles and using expressions like this and so forth?
关于经历这些循环和用这样的表达有没有什么问题？
These same cycles of change had momentous impacts on the sparse human populations of the region.
这些相同的变化周期对该区域稀少的人口产生了重大影响。
Once an oak tree becomes established, it is likely to survive minor cycles of drought and even fire.
一棵橡树一旦长成，就有可能在干旱甚至火灾的小周期中存活下来。
Astronomical cycles have an effect on Earth's climate even during periods when there is no glaciation.
即使在没有冰川的时期，天文周期也会对地球的气候产生影响。
Geomagnetic activity, the natural variations in Earth's magnetic field, it fluctuates in 11-year cycles.
地磁活动是地球磁场的自然变化，其波动周期为11年。
That's great, now you should know that this job candidate is interested in the life cycles in the forest.
太好了，现在你应该知道这个求职者对森林的生命周期很感兴趣。
Population cycles are characteristic of small mammals, and they sometimes appear to be brought about by predators.
数量的周期循环是小型哺乳动物的特征，它们有时似乎是由捕食者造成的。
The sun, is also variable over a long term: its heat output goes up and down in cycles, the latest trend being downward.
太阳在长期内也是变化的：它的热量输出在周期中有上升，也有下降，最近的趋势是下降。
If their population is tracked through time, it will be seen to be particularly unstable—soaring and plummeting in irregular cycles.
如果对它们的数量进行时间记录，就会发现它是很不稳定的——以不规则的周期急剧上升下降。
Bond hypothesized that the alternating cycles might be evidence of changes in ocean-water circulation and therefore in Earth's climate.
邦德推测，这种交替循环可能是海-水间循环变化的证据，因此也会影响地球的气候。
By offering on-trend items at dirt-cheap prices, Cline argues, these brands have hijacked fashion cycles, shaking an industry long accustomed to a seasonal pace.
Cline 称，这些品牌通过超低价销售流行单品，破坏了时尚周期，动摇了所有产业随季节变化的步伐。
Some warming is certain, but the degree will be determined by cycles involving melting ice, the oceans, water vapour, clouds and changes to vegetation and plants.
一定程度的气候变暖是确定无疑的，但其程度将由冰的融化、海洋、水蒸气、云和植物的变化等循环过程所决定。
On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。
Remarkably, despite significant differences in habitat and behavior, many species of lepidoptera have population cycles of similar length, between eight and eleven years.
值得注意的是，尽管鳞翅目昆虫在栖息地和行为上存在显著差异，但许多种类的鳞翅目昆虫的种群周期相似，在8到11年之间。
Further evidence for persistent internal rhythms appears when the usual external cycles are shifted—either experimentally or by rapid east-west travel over great distances.
进一步的证据表明，当通常的外部循环被改变时——无论是通过实验还是通过快速的东西方向的长距离移动——就会出现持久的内部节律。
Because the midpoint of the Medieval Warm Period was about 850, an extension of Bond's cycles would place the midpoint of the next warm interval in the twenty-fourth century.
由于中世纪温暖期的中点约为850年，因此邦德循环的延长将使下一个温暖间隔的中点出现在二十四世纪。
The "seesaw" brought cycles of intensely cold winters and easterly winds, then switched abruptly to years of heavy spring and early summer rains, mild winters, and frequent Atlantic waves.
这个“跷跷板”带来了极度寒冷的周期性的严冬和东风，然后突然转换成多年的阴沉春季、过早降雨的夏季和温和的冬季，以及频繁的大西洋海浪。
The areas that are now desert were, like all arid regions, very susceptible to cycles of higher and lower levels of rainfall, resulting in major, sudden changes in distributions of plants and animals.
那片现在是沙漠的地区和所有干旱地区一样，对降雨量相对更大或更小的周期极为敏感，因此那里的动植物分布发生了巨大且迅速的变化。
Timber owners have often produced lumber at a loss and survived these down cycles in demand.
木场主经常赔本生产木料，以便在需求低迷期挺过来。
It starts from the Beginning of Spring and ends with the Greater Cold, moving in cycles.
它从立春开始，以大寒结束，循环往复。
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