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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。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- 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。
- 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。
- positive buoyance 正浮力
- She shows a very positive attitude to her work. 她工作态度非常积极。
- Salt water has more buoyance than fresh water. 咸水比淡水浮力大。
- 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。
- The number of positive numbers is infinite. 正数的数目是无穷的。
- Are you positive that you saw him? 你肯定你看到他吗?
- He was positive that he had seen it in the newspaper. 他肯定他已在报纸上看见过。
- There have been positive developments in international relations. 国际关系已逐步改善。
- She was quite positive about the amount of money involved. 她对所涉及的钱数十分肯定。
- The positive or negative character of a proposition. 命题的性质命题的肯定或否定的性质
- We should now call all positive factors into full play. 现在我们应该充分利用一切有利因素。
- We should now bring all positive factors into full play. 现在我们应该充分利用一切有利因素。
- Are you absolutely positive that it was after midnight? 你是否有绝对把握认为那事是在午夜以後发生的?
