The sundial could do little more than cast a shadow, when clouds or night did not render it a useless decoration.

16. The development of mechanical timepieces spurred the search for more accurate sundials with which to regulate them.

16.机械计时器的发展促使人们寻求更精确的日晷，以便校准机械计时器。

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They have these huge, magnificent sundials.

那有一些很大而且很宏伟的日晷。

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

作为计时器，漏刻的使用比日晷史为普遍。

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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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