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- By introducing the concept of fluidization factor, the required velocity at nozzle outlet starting to fluidize particulate material under different structural factor was obtained. 通过引入流化程度因子概念，采用正交试验得到了不同结构参数下物料流化所需的喷嘴出口气流速度。
- Gazelles can move with astonishing velocity. 羚羊跑起来速度惊人。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- All passengers are required to show their tickets. 所有乘客都必须出示车票。
- The car was moving at such a velocity! 那辆汽车的速度简直太快了！
- Gazelles can movewith astonishing velocity. 羚羊跑起来有时速度惊人。
- The hare darted off with the velocity of a bird. 野兔像鸟一样快速掠去。
- It is required (of me) that I give evidence. 要求我提供证据。
- You're required to submit a resume. 你必须交一份个人简历。
- I have done all that is required by law. 我已按照法律规定把一切做好。
- No prior knowledge should be required. 不需要预先学得什么知识。
- We need $50 to make up the sum required. 我们需要五十元以补足所需要的数目。
- His work does not reach the standard required. 他的工作成绩达不到要求。
- The velocity of light is about 186,000 miles per second. 光速大约是每秒十八万六千英里。
- I told him tout court that his services were not required. 我简单地告诉他不需要他的帮助。
- Expected or required but not yet having come about. 期待发生的被期望或要求但仍未发生的
- The rate of change of velocity with respect to time. 加速度速度相对于时间变化的速率
- It required superhuman effort to lift the huge boulder. 要搬起这块大石头需要有超人的力量。
- Civil Servants are required to sign the Official Secrets Act. 公务员须签署遵守公务保密条例。
- Learning to walk again after his accident required great patience. 他出事后重新学习走路要有极大的毅力。
