While there are signs that a mushroom is poisonous, they are not consistent, and all mushrooms of unknown origin should be considered dangerous to eat.
尽管有特征说明蘑菇是有毒的，但它们是不一致的，所有来历不明的蘑菇都应该被认为是有危险的食物。
The investigation of an outbreak of unknown origin in Angola has revealed extremely high levels of bromide in plasma sampled from several affected patients.
对安哥拉暴发的来源不明疫情的调查显示，从一些受影响患者身上提取的血浆样本中溴化物含量极高。
There are online web proxies too, but many of them are of unknown origin and hence you cannot ensure complete privacy.
虽然也有在线网页代理，但很多都无法弄清来源，也就没法保证隐私的完整性。
So we have a story built on rumor, with no named sources, quoting a media source of unknown origin.
但是这篇报道中的故事没有确切的信息来源，引用的也是不明来历的媒体信息，可以说这故事只是个谣传。
TANGIBLE COMMON EQUITY, n., unknown origin.
有形普通股权益(TANGIBLE COMMONEQUITY)，名词，起源未知。
Though the mechanism of the origin of life is unknown, he says, once evolution was under way no special supernatural intervention was required.
他说，尽管生命起源的机理尚不清楚，但一旦进化开始，就不需要任何特别的超自然力量的介入。
These rogue Internet pharmacies are operated internationally, they have no registered business address and sell products that have an unknown or unclear origin.
这些流氓因特网药店是国际性经营，它们没有任何注册营业地址，出售的产品产地不明或不清。
Obscure gastrointestinal bleeding is defined as bleeding of unknown origin that persists or recurs after a negative initial endoscopic evaluation of both the upper and lower gastrointestinal tracts.
来源不明性胃肠出血是指首次上、下消化管内窥镜检查都阴性、原发部位不明的持续或反复性出血。
The origin of the cysts is unknown, but they are thought to originate from invagination of neuroectoderm, and the cysts are lined with either cuboid or columnar epithelium.
囊肿的起源尚不清楚，但是它们被认为是起源于神经外胚层的内陷，囊肿壁覆盖以柱状或立方上皮细胞。
The Mesopotamian view on the srpernatuual is an inextricable mixture of Sumerian and Akkadian origin, influenced by an unknown substrate population.
美索不达米亚人认为不可思议的事是苏美尔和阿卡得起源的不可分混合物，被一种未知的底层人口所影响。
Methods The length of genetic segment of SCA1, SCA2 and SCA3 in 92 patients with ataxia of unknown origin were detected by polymerase chain reaction (PCR) and agarose gel electrophoresis.
方法应用PCR方法和琼脂糖凝胶电泳对92例不明原因共济失调先证患者测定其SCA1、SCA2和SCA3基因片段长度。
The inspection found three stalls are selling the white meat of unknown origin.
经检查，发现三个摊位正在售卖来源不明的白板肉。
Recognition of the modulation type of an unknown signal provides insight into its structure, origin and properties.
通过对未知信号调制模式的识别能让我们洞察未知信号的结构、起源以及信号的属性。
Conclusion the incidence of SCA1, SCA2 and SCA3 is 22.8% in patients with ataxia of unknown origin, and SCA3 is main type. Genetic analysis is the most effective means for the diagnosis of SCA.
结论通过这次研究，发现SCA1、SCA2、SCA3型在不明原因的共济失调中的发生率为22.8%，其中又以SCA3型为主，确定诊断的最直接最有效的手段是基因诊断。
It was there that I encountered large mutants, armed with weapons of an unknown origin.
在那里，我遇到大的突变体，与来源不明的武器装备。
How men first learnt to invent words is unknown; in other words, the origin of language is a mystery.
人们最初是如何发明单词的不得而知，换句话说，语言的起源是个秘密。
A Valentines' Day story adapted from a folktale of unknown origin.
一个情人节的故事改编自民间故事的起源不明。
There is no cure for ALS, and the few available treatments have limited efficacy. About 90 percent of ALS cases are sporadic and of unknown, possibly environmental, origin.
肌萎缩侧索硬化不能治愈，几乎没有有效地治疗方法，大约90%的病例是散发的，未知的，可能与环境有关。
Objective:As one of the common clinical disorders, fever of unknown origin with respiratory system manifestations, especially pulmonary vasculitis diseases are often misdiagnosed.
目的了解某小学不明原因发热的疫情特征，探讨其危险因素、传播模式和病原体，制定控制措施。
The origin meaning of recursion is "run back", "recall" etc., it means to know the unknown from the known by "return".
递归原意指往回跑、召回等，它是指借助于“回归”而把未知的归结为已知的。
Myositis: Inflammation of muscle tissue, often from bacterial, viral, or parasitic infection but sometimes of unknown origin.
肌炎：肌肉组织的炎症，常为细菌、病毒或寄生虫感染所致，但有时病因不明。
Though the stele's origin is unknown, a stone slab was commonly used as a tombstone in Egypt, Greece, Asia, and the Mayan empire.
具体起源不详，但在古埃及、古希腊、亚洲以及马雅帝国通常用作墓碑。
Objective To analyse patients with fever of unknown origin and lymphadenectasis and to explore the treatment programs.
目的探讨不明原因发热伴淋巴结肿大患者的诊断思路与方法及治疗方案。
It is very important that fevers of unknown origin in people coming from these endemic areas be investigated for the possibility of Lassa fever.
对来自地方性流行区，出现不明原因发热的人进行检查，确定是否感染拉沙热是很重要的。
How men first learned to invent words is unknown, in other words, the origin of language is a mystery.
人们最初如何发明了词语还不为人知，也就是说，语言的起源还是个秘。
Using "The unknown secret of Doraemon's origin" as the key subject in internet communication, in order to trigger netizens' interests.
在网络传播中使用不为人知的机器猫的真正由来作为标题，放在网络上引起点击关注。
Although the term colic suggests an intestinal origin, etiology is unknown.
虽然疝痛一词提示由肠道引起，但其病因并不清楚。
The pathogenic causes and ths clinic characteristics for fever of unknown origin were discussed.
探讨原因不明发热的病因及其临床特点。
The pathogenic causes and ths clinic characteristics for fever of unknown origin were discussed.
探讨原因不明发热的病因及其临床特点。
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