来自哈佛的Flier正在研究下丘脑神经元，它们被认为会产生一种对瘦素做出响应的蛋白质，由于未知的原因，神经元却没有出现响应。
Flier, of Harvard, is studying neurons in the hypothalamus that are supposed to produce a protein that responds to leptin but, for as-yet-unclear reasons, sometimes fail to.
例如艾灵顿公爵(译注：被称为最伟大的爵士作曲家)，没有事先通知就出现在维恩先生在曼哈顿的公寓庆祝他自己的生日，然后由于未知的原因，又悄悄地从后门溜走了。
Here is Duke Ellington, showing up unannounced at Mr. Wein's Manhattan apartment to celebrate his own birthday, then, for unexplained reasons, quietly slipping out the back door.
由于一些未知原因，很多被丢弃的物品还是被完整地保存下来了，而在近东的各地有上千件这样的物品出土。
For some unknown reason, many were discarded, often still intact, and thousands have been found all over the Near East.
但是，现在由于某些未知的原因，但更有可能与重组之后，想得到全部退休金提前退休有关，他们朝着他开了一枪。
And now for reasons unknown, but possibly to do with reorganiza?tion and a desire to do away with all the expense of early retirement, they were shooting at him with bullets.
由于一些未知原因，治疗疱疹的药物阿昔洛韦(acyclovir)仍然能够降低艾滋病病毒在血液中的含量。
For unknown reasons, the herpes drug acyclovir lowers the level of AIDSvirus in the blood.
但是，由于许多原因，这常常是不可行的，比如工作负载限制、安全性和隐私规则，或者大部分数据是未知的。
However, there are many reasons which may make this impossible such as workload limitations, security and privacy rules, or if the data is largely unknown.
但跑步可以做到，尽管由于某些未知原因，在某些人身上，这还不能刺激骨骼的成型。
Running can be, although for unknown reasons, it doesn’t seem to stimulate bone building in some people.
也许，由于某些原因，您希望挑选建议；但是您需要弄清楚的是，您所挑选的建议集带来的性能好处是未知的。
There may be reasons you want to pick and choose recommendations; however, be aware that the performance benefit of your hand-picked set is unknown.
这是一个有争议的说法，部分原因是由于我们日常摄入的各种各样的化学物质对我们的健康的影响方式还是未知的。
It's a controversial theory, partly because there are still many unknowns about how the wide variety of chemicals we encounter in our daily lives may affect our health.
她拿起一只钢笔，在衬页上写到：由于物理学上未知的原因，时间只朝一个方向流逝，而奇怪的是思想和思绪却能超越时间的限制。
For reasons unknown to physics, time runs only in one direction. The mind and the heart, curiously, transcend time.
有些铁离子随汗液流失。另外，由于某些未知的原因，高强度的耐力运动有时是与消化系统内出血联系在一起的。
Some iron is lost in sweat, and, for unknown reasons, intense endurance exercise is sometimes associated with bleeding of the digestive system.
如果由于一些未知的原因，您发现rom镜像不设置RUU文件夹，您必须下载RUU并且重试。
If, for some unknown reason, you find that the ROM image is not located in the RUU folder, you have to download the RUU and retry again.
如果由于一些未知的原因，您发现rom镜像不设置RUU文件夹，您必须下载RUU并且重试。“看不明白为什么意思本人是超级菜鸟，请勿见怪，麻烦各位高手指点，不甚感激！”
If, for some unknown reason, you find that the ROM image is not located in the RUU folder, you have to download the RUU and retry again.
现在损毁的原因还是未知，虽然有些人认为有可能是由于近期这个地区的地震活动引起的。
The cause for the damage is unknown at this time, although some believe recent seismic activity in the area could be to blame.
程序由于未知原因不能执行所需请求。请确保程序满足执行此操作的所有外部条件。
The application failed to execute the requested action for unspecified reason. Please verify that all external conditions for the attempted operation are valid.
程序由于未知原因不能执行所需请求。请确保程序满足执行此操作的所有外部条件。
The application failed to execute the requested action for unspecified reason. Please verify that all external conditions for the attempted operation are valid.
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