The PLC is used to improve the whole automation level of the round-roof control system of the astronomical observatory,to deduce the complex degree of the electrical control system,and at the same time to increase the reliability of the whole control system,that the round-roof of the astronomical observatory can be made to reliably finish various anticipative works.
将工控机强大的人机接口功能和丰富的应用软件功能与PLC的高可靠性、强大的指令系统和模块化结构等优点结合起来,实现了两者优势互补,构建了一种性能稳定、功能强大的天文台圆顶智能控制系统。
They lived only a few blocks from Congress, whose white dome can be seen in the background.
他们靠着国会（是那个任何不起眼的地方都能被看见的白色圆房顶的国会）供的微薄补贴来生存。
A dome-shaped structure or building.
拱形建筑物一种圆顶的结构或房屋
Spend the night in a traditional igloo illuminated by lights in the ice, or sleep in a glass igloo.
在有冰中灯光照明的传统圆顶冰屋住一晚，或在有玻璃房顶的客房睡上一夜。
A porch or walkway with a roof supported by columns, often leading to the entrance of a building.
柱廊有由圆柱支撑房顶的门廊或走道,通常通往建筑物的入口处
I'm like to have a bowler hat.
我想买一顶圆顶硬礼帽。
diameter of top circular-arc juncture circle
齿顶圆弧衔接点圆直径
"Dome:In architecture, a hemispherical structure evolved from the arch, forming a ceiling or roof."
圆屋顶:房屋建造中由拱发展而成的半球形结构,常用作天花板或屋顶。
The half dome over an apse.
穹内半圆顶教堂后部的半圆形穹顶
A slab on the top of the capital of a column.
圆柱顶板圆柱柱顶上的背板
Go back! The roof is falling!
退开！房顶要塌啦！
A felt hat with a low, rounded crown, similar to a derby.
低圆顶软毡帽一种有低圆顶的毡帽，很象圆顶礼帽
Nearby the hollow basins of cracked mud were inversions of the damaged dome of the planetarium, and of the eroded breasts of Marilyn Monroe.
近旁，那一个个碎泥空洼就是天文馆破圆顶的倒置，也是玛丽莲，梦露糜烂乳房的内陷。
The roof of the old house collapsed.
这座旧房子的房顶坍了。
observation dome
观察装置，了望圆顶
I'd like to have a bowler hat.
我想买一顶圆礼帽。
a stately pleasure-dome decree:
庄严的欢乐之圆屋顶：
dome for electric furnaces and ovens
电炉或电烘炉圆顶盖
a tall tapering spire.
高高的圆锥形的尖顶。