②第一套方案对离心叶轮大叶片75%左右轴向弦长前尖部流场的改善是失速裕度提高的主要原因；

The main reason of extended stall margin was that about 75% axial chord of the tip flow field has been improved.

youdao

我有一个巨大的头，前肩上有个隆起，还有一对尖尖的角。

I have a massive head, a hump over my front shoulders and sharply pointed horns.

youdao

几天前我才到了这儿，当时夜幕刚降下，人们在朦胧的灯光下像老鼠一样匆匆赶回家去，树木带着宝石尖般的恶意闪闪发光，我不止一千次地想起了这一切。

Just a few days ago I had arrived. Nightfall. People scurrying Home like rats under the foggy lights. The trees glittering with diamond pointed malice. I thought it all out, a thousand times or more.

youdao