In this paper, we will give test and analysis of acoustical effect of the Circular Mound in the Temple of Heaven.
天坛皇穹宇回音壁、三音石和圆丘坛的奇妙的声学现象，使天坛成为我国四大回音建筑之首，作者对圆丘坛的声学现象进行了实验测试和初步分析，基本上揭开了圆丘坛回声现象之谜。
When we speak of the Temple of Heaven we are actually referring to the Circular Mound Altar.
我们所说的天坛，实际上指的是圆丘坛。
The bar silver is in the north cache; you can find it by the trend of the east hummock, ten fathoms south of the black crag with the face on it.
银条在北面秘窖，可顺着东边圆丘的斜坡，在黑岩石以南十寻处找到。
A thrushlike North American warbler(Seiurus aurocapillus) having a shrill call and characteristically building a domed, oven-shaped nest on the ground.
橙顶灶鸫一种北美洲的象鸫的鸣禽（橙顶灶鸫）。叫声凄厉，其特点为在地上筑圆丘状，似炉型的巢
A prominent rounded hill or mountain.
圆形小丘，山突出的圆形丘陵或山岳
cylindrical throat Venturi nozzle
圆筒形喉部文丘里喷嘴
The domes are circular or ovoid in cross-section.
穹丘的横断面为圆形或卵圆形。
From these hills a visitor can see the soaring towers, spires, and domes of the city itself.
站在这些山丘上，旅游者可以看到高耸入云的塔和塔尖，也可以看到这座城市的圆顶建筑物。
"Domes first appeared on round huts and tombs in the ancient Middle East, India, and the Mediterranean in forms, such as solid mounds, adaptable only to the smallest Buildings."
源于实心的土丘,最早只用在很小的建筑上,例如古代中东、印度和地中海地区的圆棚屋和坟墓。
" Measurement of fluid flow by means of orifice plates, nozzles and Venturi tubes inserted in circular cross-section conduits running full"
GB/T2624-1993流量测量节流装置用孔板、喷嘴和文丘里管测量充满圆管的流体流量
The mound is roughly heart shaped and probably was originally built in the form of a truncated cone.
这座土石丘大致呈心形，可能当初就是按无顶圆锥体的形状进行建造的。
Landscape in the Heart and Painting at hands--Huang Gesheng s Dream of Waterland s inspiration for today s Chinese painting creation.;
襟怀丘壑 著手成春——黄格胜《水乡圆梦》创作对当下国画创作走向的启示
ventral medial hypothalamus
腹中下丘脑 腹中下丘脑
dene:a sandy tract or dune by the seashore.
沙丘:海边的沙地或沙丘.
A sandy tract or dune by the seashore.
沙丘海边的沙地或沙丘
A natural elevation, such as a small hill.
土丘天然高地，如小山丘
An elongated hill or ridge of glacial drift.
鼓丘长形小山或冰碛丘
cerebello-thalamo-cerebral tract
小脑-丘脑-大脑径
