As a time-measuring apparatus, the clepsydra is used more widely than the sundial.

The sundial works well only when the sun is shining. So, other ways were invented to measure the passing of time.

日晷只有在太阳光照射下能工作，所以其它的时间测量方法被创造出来。

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These circles were called "sundials".

这些圆圈被叫做日晷。

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Or your favourite book beside the sundial.

或是在日落留下一本你最喜欢的书。

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English churchyards often have sundials in them& sometimes there is one on the church itself.

英国的教堂大院里通常设置日规，有时候教堂上也有一个。

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The upper end of the sundial points right to the North Pole ， and the lower end to the South.

这样，晷针的上端正好指向北天极，下端正好指向南天极。

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Sundials on houses and in gardens are a very popular decoration today.

如今把日规当作装饰品装在屋上和花园中是非常时髦的。

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By the sundial the solar term can be known too.

该日晷还能确定当时所处的节气。

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Figure Design of General Sundial Surface

常用日晷晷面线图设计

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The stationary arm whose shadow indicates the time on the sundial.

能够用固定指针的影子在日晷上显示时间。

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It's like a huge sundial,' I heard one reporter say.

“它就像一个巨型日晷。”一位记者如是说。

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Lay your long shadows on the sundials

将你修长的影子落在日晷之上

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Results 1. Cerbral superficial veins congested, widening of the cor-tical sulci, narrowed gyri and and mild cerebellar tonsillar hernia were present.

结果①3例脑表静脉充盈，脑回变宽，脑沟变窄和轻度杭大孔疝；

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A purulent exudate is seen beneath the meninges in the brain of this patient with acute meningitis from Streptococcus pneumoniae infection. The exudate obscures the sulci.

急性链球菌感染所致化脓性脑膜炎患者脑膜下可见化脓性渗出物。渗出物使脑沟变浅。

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Results At the early stage of the disease, diffuse encephalic swelling, compressed or occluded ventricles, sulci and cisterna were seen on MRI in all 36 cases.

结果36例DAI早期MRI均表现为弥漫性脑肿胀，脑室及脑沟、裂、池受压变小或闭塞；

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Conclusion Usually, the bilateral central sulci are symmetrical. Based on the above signs, correct identification of the central sulcus can be obtained in up to 98.5% of cases.

结论在正常情况下两侧的中央沟是对称的，在MRI轴位图像上应用上述征象对中央沟的正确识别率可达98.5%，并可由此引伸到CT轴位图像的识别。

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Methods: Eighty-six cases traumatic subarachnoid hemorrhage, each case rechecked above 1 time at least, their cortical sulci and cistern abnormal changes were observed in details.

方法：86例外伤性蛛网膜下腔出血，每例最少复查1次以上，详细观察脑沟、脑池异常变化情况。

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The Pathologic Bases and Clinical Significances of the Areae and Sulci Gastricae& Studied by comparing with X-ray, optical dissecting microscope and histopathology

胃小区、胃小沟形态改变的病理学基础及临床意义&X线、解剖镜及病理组织学对照研究

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Methods: CT images of 50 cases of healthy old man were sampled randomly and the functional areas of cerebral cortex were identified by superficial sulci and gyri of brain.

方法：随机抽取50例健康老年人的CT图像，以大脑表面沟回为标志辨认大脑皮质机能区。

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Results: Various fissures, sulci and gyri of the fetal brain appeared sequentially according to the chronological stages and were demonstrated very well on MR imaging.

结果：MR成像能很好地显示某些脑裂、脑沟及脑回按时间依次出现的过程；

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Of the 4 cases of positive findings, the tumor was located at the pelvic peritoneum or the paracolic sulci peritoneum.

4例二探术阳性的卵巢癌患者，手术发现肿瘤位于盆腔腹膜、结肠旁沟腹膜；

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