原因不明的

These findings support the importance of HIF-2 alpha in human Epo regulation and warrant investigation of HIF2A in patients with unexplained erythrocytosis.

这个发现支持HIF-2 alpha在红细胞生成素调节的重要作用，为研究不明原因的红细胞增多症病人的HIF2A提出了新的途径。

Parents anxious about the rash characteristic of early childhood, the child will feel anxious not horrible rash, when the 6 months to 2-year-old children have a high fever of unknown causes, it is necessary to think of the possibility of measles exanthema.

家长了解了小宝宝急疹的特点后，就会觉得小宝宝急疹并不可怕，当6个月至2岁的宝宝有不明原因的高热时，要想到有小宝宝急疹的可能性。

Percutaneous biopsy with ultrasound guidance can be used briefly, safely and efficiently to diagnose omental lesions.

结论超声引导经皮穿刺大网膜病变活检是一种简便、安全、有效、诊断准确性高的方法，可使一些不明原因的腹胀腹水患者获得明确的病理诊断，为临床治疗提供依据。

On August 11, 2003, Kangkang was slantways laying on the bed of a hospital. He was in low spirits and his face was pale. A drainage bag of 400 milliliters hung on his thin and small body and a syringe needle was inserted in his arm. The drainage bag was connected to his chest cavity by a pipe.

2003年8月19日，北京军区总医院皮肤科副主任医师王文岭博士肯定地说，根据目前的资料，康康的病基本可确诊为Corham综合征，国外资料形容为'幽灵骨'，而我国中医称其为'鬼怪骨'，指人体骨骼在不明原因的情况下自己发生溶解消失症状。

The mRNA expression of PIBF in deciduas of early unexplained spontaneous abortion is lower than that of normal pregnancy, which shows the immunosuppressing effect of progesterone may be mediated by PIBF in pregnancy.

提示，在不明原因自然流产时，孕酮的免疫抑制作用的降低，可能是通过PIBF介导的。

To observe the morphologic changes of deciduas and progesterone receptor expression in deciduas of early unexplained spontaneous abortion patient with immunohistochemistry staining.

同时，在体外培养细胞时，再加孕酮刺激的为P组，未加孕酮刺激的为NP组，用于观察孕酮在不明原因自然流产时对患者PBMC产生细胞因子的作用。

This is real demonstration of love without biase mind or mind of the unknow because may watching the youtube video, you will find out that, everyone was so excited, jubilating, huging with free mind and i believe that day will be remarkable and unforgetable day more especially the woman that lose her daughter in a car accident.

这是真正的爱无演示Biase先生心中的想法或不明原因可能youtube观看录像、你会发觉，大家如此兴奋，jubilating，huging自由心相信那天会更加明显和难忘的一天，尤其是女子失去女儿车祸。

As some of you have pointed out, other USB devices work fine. I have no explanation for this, other than to point to the chaos theory in action.

但是如你所说的，其他的USB设备工作正常，我也不明这是怎么回事儿，更不要说解释他的原因啦。

Results.The main causes of medical dissensions were unclear clinical diagnosis and unclear causes of death.

结果临床诊断不清及死因不明是引发医疗纠纷的诱因，而根本原因则是农村日益增长的医疗需求与农村医疗水平落后之间的矛盾。

The aim of this study was to investigate the characteristics of HRV in children with palpitations of unknown causes so as to provide a basis for the etiologic diagnosis of palpitations.

该研究的目的是探讨不明原因心悸患儿心率变异性的特点，为心悸患儿的临床诊断提供参考。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。