压水室设计采用矩形断面、半螺旋形涡室。
The pressurized-water chamber design adopts rectangular section and half-spiral vortex chamber.
科学家认为这些黑洞如此靠近的原因是，三千万年前两者就开始的螺旋形的会师之途而今走到了一半。
Scientists think these black holes are in such close proximity because they are in the midst of spiraling toward each other — a process that began about 30 million years ago.
该发现表明，长形盾半人马座臂完全“围绕”着银河系，从而使得这个螺旋形“巨大手臂”与银河系中另一个由行星所形成的主要“手臂”——英仙臂相对称。
The finding suggests that Scutum-Centaurus wraps all the way around the Milky Way, making it a symmetric counterpart to the galaxy's other major star-forming arm, Perseus.
应用推荐