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- This versatile rescue device is extended by hand. As an ice rescue device, it provides positive buoyancy to the victim and patient head protection during extrication. 这种救护吊索有多种功能，作为冰川的救护装置，可以为伤员提供提升力，在救护的过程中保护病人的头部。
- Motion equations of AUV (autonomous underwater vehicle) load separation with positive buoyancy force load, that the load s buoyancy force is bigger than its gravitational force, was derived. 在此基础上,对该AUV在不同初始参数下的载荷分离运动进行仿真研究,仿真结果清晰的反映了AUV载荷分离运动情况。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- I'm positive she told us to meet at noon. 我肯定她是告诉我们在中午见面。
- This charge is a positive charge. 这个电荷是正电荷。
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Can you be positive about what you hear? 你对听到的话有把握吗？
- He has a positive attitude towards life. 他对生活持有积极的态度。
- To move with lightness and buoyancy. 轻快活泼地移动
- The number of positive numbers is infinite. 正数的数目是无穷的。
- positive buoyancy 正浮力
- The state or quality of being light;buoyancy. 轻重量轻的状态或性质；浮力
- Are you positive that you saw him? 你肯定你看到他吗?
- His personal buoyancy and vigour were a tonic. 他本人非常乐观，精力也很充沛，令人感到鼓舞。
- I take up my task with buoyancy and hope. 当我挑起这个担子的时候，我是心情愉快、满怀希望的。
- Each of the balloons has its own buoyancy. 每一个气球有它自己的浮力。
- We tested the boat for its buoyancy. 我们测试了这条船的漂浮能力。
- I take up my task in buoyancy and hope. 我精神振奋、满怀信心地承担起我的任务。
- The state or quality of being light; buoyancy. 轻:重量轻的状态或性质;浮力语源。
