"It's not well understood," Felix says.
菲立克斯表示：“但是人们并不太理解这一点。”
The risk factors and clinical outcomes of renal adverse events are not well understood.
尚未完全理解肾功能不良事件的风险因素和临床结果。
In too many cases, the decision is not made deliberately but rather because it is not well understood.
在太多的情况下，往往不能作出非常周全的决定，是因为它不容易理解。
Objective: The antitumor role of RASSF1A and its potential molecular mechanisms are not well understood.
目的：RASSF1A基因抑制肿瘤生长的抑瘤效应及其潜在的分子作用机制目前尚未完全明确。
However, the authors note, the link between asthma and respiratory tract infections is not well understood.
然而，作者对哮喘和呼吸道感染之间的联系还不清楚。
When one significant condition is not well understood, the chances are that the diagnosis will be incomplete.
只要一个有效条件不明确，这个诊断就不完整。
The findings provide researchers with valuable insight into a biological process that is not well understood.
这些发现对研究人员了解还不甚明了的生化过程会有帮助。
Unfortunately these principles are not well understood by many of the people that undertake network marketing.
可惜这些原则是不明白，许多人认为进行网络营销。
However, the underlying physical mechanisms responsible for the turbulence modification are not well understood.
然而，关于这种湍流变动的内在物理机制的理解还不够深入。
Worse, at the time "outsourcing" was viewed by many as distasteful and distributed workforces were not well understood.
更糟糕的是，那个时候，“外包”作为毫无趣味和分散的工作方式而广泛不被看好。
Often the model changes that result from the implementation changes are not well understood by the business analyst.
由实现更改产生的模型更改通常不易为业务分析人员所理解。
Rationale: Mechanisms leading to obstructive sleep apnea syndrome (OSAS) in obese children are not well understood.
背景：导致肥胖儿童阻塞性睡眠呼吸暂停综合征的机制并不很清楚。
Despite the intensive work, its molecular mechanism, biochemical and physiological functions are not well understood.
尽管人们做了大量的工作，但是它的分子结构和生理生化功能还都没有真正弄清楚。
Though the link is not well understood yet, scientists do know that ceramides are involved in inflammation and cell death.
虽然研究人员未弄清这一联系，但他们已经发现神经酰胺与炎症和细胞死亡有关。
In both cases (when it is very specific, or when the problem is not well understood), it makes no sense to generalize the solution.
在两个情况下(当它非常特殊的时候，或者是问题还没有被很好理解的时候)，泛化解决方案根本没有意义。
Although the mechanisms are not well understood, this appears to have evolutionary roots which favour greater reproductive success.
虽然这种机制不太容易理解，但是这看起来有进化根据——因为这加大了生育成功的几率。
The mechanism is not well understood but appears to be related to loss of gravitational and other mechanical stresses on the bone.
该机制没有得到很好的理解，但似乎是有关损失的引力和其他机械应力对骨。
The role of CSF during the injury event and its effect on the spinal cord deformation and neurologic injury is not well understood.
脑脊液在损伤过程中的作用及其对脊髓变形和神经系统的损伤的影响还不甚明了。
Also, because the environment during which the deposits formed is not well understood, scientists are not sure how diverse they will be.
这些沉积物的形成环境现在还没有被完全弄清楚，科学家们不确定它们之间是否有差异。
This is generally because being gifted and its attendant difficulties are not well understood within the medical or educational communities.
而这通常是因为在医学界和教育界，成为天才及其所伴随而来的困难并没有很好地被了解。
What is killing the bacteria is clear: it is the singlet oxygen. What is luring them into the microcapsules, though, is not well understood.
尽管单线态氧杀死细菌这个事实是清楚的，但是是什么将细菌引入微型胶囊并不清楚。
Some of them plan to use the interstellar-dust data to study the Milky Way's magnetic field, the origins and behavior of which are not well understood.
这些天文学家中有一些人计划利用星际尘埃数据来研究银河磁场这一起源与变化都没有得到充分了解的事物。
A major problem inhibiting development of an effective vaccine is that it's not well understood how the immune system controls HIV infection, if at all.
阻碍了有效疫苗研发的一个主要问题是，如果免疫系统可以控制HIV感染，那么免疫系统如何控制艾滋病毒感染，还没有充分的认识。
The usual mode of transmission of the virus is by skin to skin inoculation , although it is not well understood how the virus penetrates and infects cells.
该病毒常见的传播方式是皮肤至皮肤的传染，但目前还不清楚病毒是如何穿透和感染细胞的。
The adding of ni into the zinc bath or increasing of the galvanizing temperature can inhibit the reactivity partially. But the mechanism is not well understood.
通过往锌池中加入一定的镍或者提高镀锌温度，可以在一定程度上抑制硅的反应性，但机理不清楚。
Silicosis is an occupational pulmonary disease caused by silica dust exposure, but the mechanisms of the injury and disease development are not well understood.
矽肺是矽尘暴露导致的职业性肺部疾患，它的发病机制至今尚未完全阐明。
GBM M originates from astrocytes, which are a type of glial cell. The factors that cause normal-functioning astrocytes to become cancerous is not well understood.
多形性胶质母细胞瘤起源于星形胶质细胞，这是胶质细胞的一种。促使正常工作的星形胶质细胞转变为肿瘤细胞的原因尚不得而知。 。
GBM M originates from astrocytes, which are a type of glial cell. The factors that cause normal-functioning astrocytes to become cancerous is not well understood.
多形性胶质母细胞瘤起源于星形胶质细胞，这是胶质细胞的一种。促使正常工作的星形胶质细胞转变为肿瘤细胞的原因尚不得而知。 。
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