"If this test could predict the onset of GVHD before the rash develops, it could be extremely valuable, " he says.
他说：“如果这种检测能够在皮疹显现之前预测移植物抗宿主病的发病，那将是非常有价值的。”
In the 1967 European outbreak, a non-itchy rash was a feature noted in most patients between 2 and 7 days after symptom onset.
在1967年欧洲的疾病爆发中，大多数患者在症状发作后2至7天出现非瘙痒性皮疹。
Some researchers have hypothesized that it is the cumulative binding of adenosine to a large number of sites that causes the onset of sleep.
一些研究人员假设，腺苷与大量位点的累积结合导致了睡眠的开始。
Sea cows were totally dependent on kelp for food, and within a decade of the onset of otter hunting, Steller noted that the islands' sea cows appeared malnourished.
海牛完全以海藻为食，在捕猎水獭开始的十年里，斯特勒注意到，岛上的海牛似乎营养不良。
Only during the short lag between onset of global temperature change and sea level response can warm-adapted species migrate from the equator toward higher latitudes.
只有在全球气温变化开始和海平面反应之间的短暂滞后期间，适应气候变化的物种才能从赤道向高纬度地区迁移。
A recent study suggests that vitamin E supplements, despite widespread belief in their efficacy, are no better than sugar pills for delaying the onset of the degenerative disease.
最近的一项研究表明，尽管人们普遍相信维生素E补充剂的功效，但在延缓退行性疾病发病方面，维生素 E 补充剂并不比糖丸效果更好。
Most of the passes have been closed with the onset of winter.
随着冬天的来临，大多数的关卡都已经关闭。
The researchers examined how the onset of four serious physical illnesses affected marriages.
研究人员调查了四种严重的身体疾病是如何影响婚姻的。
This is a simple adaptation to ensure that germination occurs following the winter conditions rather than immediately prior to their onset.
这是一种简单的适应方式，能确保它们在冬季过后发芽，而不是在此之前就早早发芽。
Another important push was the onset of the Little Ice Age, a climatic phenomenon that led to cooler temperatures in the Northern Hemisphere.
另一个重要的推动因素是小冰期的开始，这一气候现象导致北半球气温下降。
This marsupial inhabits the deserts of central Australia where the onset of rains and the resulting sudden growth of vegetation are extremely unpredictable.
这种有袋类动物生活在澳大利亚中部的沙漠中，那里的降雨和植被的突然生长是极其不可预测的。
Pubarche refers to the onset of pubic hair growth.
阴毛初现指的是阴毛开始生长。
When anaphase onset is triggered, the Cyclosome degrades securin.
触发后期发作时，环脂质体会降解分离酶抑制蛋白。
The sudden onset of the disease is known as an Addisonian crisis, which may be rapidly fatal.
艾迪生病的突然发作是非常危险的，它可以导致迅速死亡。
The important clues for the diagnosis of LADA may include young onset of diabetes, ketotic history and weight loss.
诊断LADA的重要线索可能包括糖尿病的年轻发作，酮病史和体重减轻。
Researcher designs 4 lexical decision experiments controlling stimulus onset asynchrony.
研究者设计了4个词汇决策实验来控制刺激发生异步性。
With onset of civilization, things changed.
随着文明的开始，事情发生了改变。
The average age was 63 at the study's onset.
研究开始时，她们的平均年龄为63岁。
The timing of the onset may also be important.
开始的时机也是很重要的。
Type 1 diabetes used to be called childhood onset.
1型糖尿病过去被称为儿童发病糖尿病。
Onset of symptoms started on 11 January with fever.
1月11日开始出现症状，最初为发热。
At the onset of a project, nothing is known for sure.
在项目的开始，不能确定任何事。
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