因此，很难获知究竟是某项疗程真正发生作用还是自然衰退导致的结果。
So it is difficult to know if a certain treatment actually works or was simply taken during a naturally occurring remission.
这个发现还是很耐人寻味的，至今记忆的自然衰退过程依旧笼罩在神秘之中。
But the finding is intriguing because the natural process of memory decay remains shrouded in mystery.
荧光假单胞杆菌2P2 4菌株分离自小麦全蚀病自然衰退土壤，可产生多种次生抗菌物质，对一些作物土传病害具有较好的防治能力。
Pseudomonasfluorescens 2P24, a biocontrol agent for soil_borne diseases has been isolated from the wheat take_all decline soil, and was characterized with efficient production of antifungal compounds.
衰退扰乱了经济回归自然增长的轨迹。
Recessions interrupt the economy's natural inclination to grow.
她像濮德培一样用衰退分析来衡量一定时期、周期性的和自然灾害的有关价格影响。
Like Perdue, she USES regression analysis to try to measure the relative impact on prices of the passage of time, seasonality, and natural catastrophes.
因此自然而然，这次自大萧条以来最严重的衰退使许多人担心，贸易额将再次下降，保护主义又会归来。
No wonder, then, that the spectre of the worst recession since the Depression led many to fear another descent into protectionism and a similar decline in trade.
斯坦福大学研究人员最近在《自然》杂志上发表的研究报告可能会给那些希望减缓大脑衰退的人带来新希望。
Researchers at Stanford University just published a study in Nature that may give new hope to those looking to stop the effects of aging on the brain.
数年的高收益率自然而然让农民的资产负债表看起来更加强势，如今的负债率仅为上次经济衰退时期的一半。
Years of strong earnings have given them reasonably strong balance-sheets, with only half the amount of leverage they carried into the last downturn.
为治疗这种衰退，大自然为我们提供了几种能够增强大脑的食物，其中很多都可以在你当地的超市中买到。
To help remedy such a decline, nature has provided us with several brain-boosting foods, many of which are available at your local supermarket.
不过，偷猎活动和自然栖息地的衰退已使得亚洲犀牛所剩无几，于是那些经销商将目光投向了非洲。
But poaching and habitat loss mean there are few rhinos left in Asia, which is what could have prompted the dealers to look for supplies in Africa.
其实，随着年龄的增长，脑萎缩或功能性衰退是身体很自然的变化，并不一定是由疾病引起的，但是研究显示，这种自然老化却可以加剧人们患轻度认知障碍（简称MCI，即一种使记忆力衰退的疾病）和老年痴呆症的机率。
Brain shrinkage or atrophy is a natural part of ageing but it is known to be accelerated in people with Mild Cognitive Impairment (MCI) – a kind of memory loss and forgetfulness – and Alzheimer's.
大多数的例子在不能倒置的自然过程中皆接近末期才陈现出，并且伴随相同形式的衰退和数个月后的死亡。
Most cases are presented late in their natural course, are usually irreversible, and are usually attendant with a uniform pattern of failure and eventual death over months.
当自然资源缺乏的时候，经济衰退就出现了。
Recession ensues when there is shortage of natural resources.
鉴于此次衰退的力度和速度，这是很自然的现象。
That is very natural given the shock and speed of this downturn.
酒店被自然美景所环绕，湄南河更为这里增添了一份动人的魅力。 这里郁郁葱葱，传统的水稻作物反映出东北部最古老的生活氛围。 许愿树代表孔可言府的府树，寓意提供支持，拒绝衰退。
The resort embraces the natural beauty of the surrounding area with the added charm of the Chi River, lush greenery, traditional rice eldest and the Northeastern way of life.
它包括土壤退化和自然景观和植被的衰退。
It encompasses soil degradation and the deterioration of natural landscapes and vegetation "."
除此之外，不用的新鲜空气自然地而且很快地衰退到氧。
In addition, unused ozone naturally and quickly decays to oxygen.
它包括土壤退化和自然景观和植被的衰退。
Effects of Vegetation Reconstruction on Soil Respiration in Degraded Red Soil;
它包括土壤退化和自然景观和植被的衰退。
Effects of Vegetation Reconstruction on Soil Respiration in Degraded Red Soil;
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