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1·A penumbra of doubt surrounds the incident.

疑惑的阴影笼罩着该事件（（真相不明））。

2·There is the spiral structure in the sunspot penumbra.

黑子半影具有旋涡结构。

3·Vaapad is a path that leads through the penumbra of the dark side.

瓦帕德就是一条游走于明暗面之间的道路。

4·I have always worked right at the border of the light and the penumbra.

我总是工作在光亮和半影的交界处。

5·This includes the continuous survey of umbra and penumbra of the sunspot.

这包括对太阳黑子本影和半影持续的观测。

6·In the outer part of that shadow, the penumbra, part of the Sun, is blocked.

而影子外面部分的半影，被太阳的一部分挡住。

7·This review reveals the application of MRI to the penumbra in neonate with HIE.

现就磁共振的功能成像在新生儿缺氧缺血半暗带中的应用研究方面作一综述。

8·Moon enters penumbra: instant of first external tangency of moon with the penumbra.

半影食始：月球刚刚和半影接触，这时肉眼觉察不到。

9·Results Well defined ischemic core and penumbra area appeared in each experimental animal.

结果小鼠均出现成熟缺血核心区和半暗区。

10·When the spot approaches the west limb, the penumbra toward the disk-center has no tendency to disappear.

当黑子接近日面西边缘时，向中心一方的半影没有消失的趋势。

半暗带

1·New imaging techniques are helpful in identifying ischemic penumbra and the selection of patients for thrombolytic therapy.

新的影像学技术有助于判断缺血半暗带和选择适合溶栓的病例。

2·The identification of these patients is of importance because the patients with ischemic penumbra are more like ly to benefit from the treatment.

由于存在缺血半暗带的患者更有可能从治疗中获益，因此识别这些患者至关重要。

3·The article reviews the changes of hematoma and ischemic penumbra, brain edema, hyperfibrinolysis after cerebral hemorrhage, and as well as amyloid angiopathy.

文章就脑出血后的血肿变化和缺血半暗带、脑水肿和纤溶亢进以及血管淀粉样变等进行了综述。

4·On the early onset, thrombolytic therapy could timely restore blood flow of ischemic tissue and efficiently salvage the function of ischemic penumbra.

血栓溶解疗法可以迅速恢复缺血脑组织的血流，能有效挽救缺血半暗带的功能。

5·Objective To explore the value of diffusion weighed imaging (DWI) and perfusion weighted imaging (PWI) in the diagnosis of the ischemic penumbra (IP) of superacute infarction.

目的探讨磁共振扩散加权成像（DWI）和灌注加权成像（PWI）对早期脑梗死缺血半暗带（IP）的诊断价值。

半影

1·This includes the continuous survey of umbra and penumbra of the sunspot.

这包括对太阳黑子本影和半影持续的观测。

2·We thought about optimism and pessimism, which was then the province of preachers and politicians and the like, in the penumbra and brought the same what was in the light from science to bear on that.

我们想到了乐观主义和悲观主义，这是传教士和政客这类人的地盘，还是半影中，我们又从科学中已经知道的来瞄准它。

3·In the outer part of that shadow, the penumbra, part of the Sun, is blocked.

而影子外面部分的半影，被太阳的一部分挡住。

4·I took what was in the light, brought it to bear on what was at the edge of the penumbra, and to my satisfaction, more of that entered the light.

我用已在光亮中的东西来瞄准那些还在半影中的东西，令人满意的是，更多的东西进入光照了。

5·I have always worked right at the border of the light and the penumbra.

我总是工作在光亮和半影的交界处。