Ruins of the main tower. View from the inside.

从内部看到的主塔遗迹。

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The main tower of Beijing TV Center is a super high-rise building of a mega-steel-structure system.

北京电视中心主楼为超高层建筑，采用巨型钢框架结构体系。

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Nanjing Third Yangzi River Bridge is the first cable-stayed bridge in China of which the main tower is in the form of steel structure.

南京长江第三大桥是我国第一座主塔采用钢结构形式的斜拉桥。

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We are going to bridge Ivory tower and Main Street, and show the science and also the danger behind that belief.

我们将连通象牙塔和主街，说明那个信仰背后的科学和危险。

哈佛公开课 - 幸福课课程节选

And it's up to you,to take responsibility, to bridge the Ivory tower and Main Street.

能否搭起学校与社会的桥梁，取决于我们自己。

哈佛公开课 - 幸福课课程节选

We can take the research and apply it, which goes back to the point why it is so important to bridge Ivory tower and Main Street.

并应用到现实中，又回到了那个问题，为什么,搭起学校与社会的桥梁如此重要。

哈佛公开课 - 幸福课课程节选

On channel boosters are also limited in their placement as they need reliable reception from the main tower.

ENGADGET: blogger-avatar

On channel boosters quickly receive the OTA signal from the main tower and retransmit the signal on the same frequency.

ENGADGET: blogger-avatar

All equipment associated with the ride, such as the observation gondola, would be removed but the main tower structure would remain.

BBC: Rhyl Skytower may still have a future but not as a ride