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- propeller whirling test 螺旋桨旋转试验
- The program of propeller whirl flutter analysis (PPWFA) is designed for analysing the dynamic response of propeller rotor system and the dynamic characteristics of whirl flutter of the system. 螺桨转子颤振涡动分析软件（PPWFA）的设计目的是，分析螺桨转于系统的动力响应和颤振涡动特性，以及分析影响螺桨转子稳定性的各个因素。
- She rushed out of the house into a whirling snowstorm. 她冲出屋子走进了狂卷着的暴风雪中。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Can you free the propeller from the weeds? 你能把螺旋桨上的草除掉吗?
- My head's in a whirl; I must sit down and think. 我的脑袋一片混乱，我得坐下好好想一想。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- A piece of string has twisted round the propeller. 一根绳子缠在螺旋桨上了。
- The ship's propeller churned the waves to foam. 那条船的推进器把水浪搅动得泡沫四起。
- The strong medicine made my head whirl. 这种烈性药使我头晕眼花。
- He held the test tube in his hand thoughtfully. 他沉思地把试管拿在手里。
- It will be wise to go over your test paper again. 还是把您的考卷再检查一遍的好。
- Let us show you to see the engine to test. 让我们指给你看要测试的发动机。
- The colorful whirl of the dancer is beautiful to watch. 舞蹈者多彩多姿的旋转令人赏心悦目。
- He is answering the test paper busily. 他正忙着答考试卷。
- I've never eaten squid before, but I'll give it a whirl. 我以前从没吃过鱿鱼，不过我想尝一尝。
- Don't tumble down on this easy test. 这次考试不难，你可别考砸了。
- Tomorrow we'll have a history test. 明天我们将进行历史测验。
- That driving test was a real doddle. 那次驾驶执照的考试真是易如反掌。
- My mind is in a whirl with all this noise, I cannot think clearly. 这么吵闹搞得我头脑里一片混乱，思维不清晰。
