御夫座ε星每27年就会发生一次蚀变，科学家们趁此良机拍下了它的特写照片，通过照片他们发现有一片奇怪的黑色物体投影在该星体上。
Scientists taking close-up photographs of the Epsilon Aurigae during its eclipse, which happens every 27 years, noticed the strange dark object's shadow on the star.
这样，从外观来看，它就可以营造出瞬息万变、流光溢彩的形象，而不是像古时候人们所认为的那样教堂就是一座阴暗的建筑而已。
On the exterior, this creates the constantly changing image of ephemeral9 luminosity10 rather than the ancient perception of architecture as shade, shadow and texture.
四连杆门座式起重机采用最佳优化的组合臂架系统，具有水平落差小、变幅平稳、功耗低的特点。
Four-link portal crane using the best combination of optimized boom system, with horizontal small gap, amplitude stable, low power consumption.
应用推荐