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- Opposition to the flow of sound through a surface,acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component. 声音在通过一个表面时受到的阻力，声阻是声阻抗的实部，声抗是声阻抗的虚部。
- There is positive proof that he did it. 有确切的证据证明他做了此事。
- specific acoustical reactance 声比抗
- acoustical reactance [电] 声抗
- inertial acoustical reactance 惯性声抗
- negative acoustical reactance 负声抗
- Her behaviour was a positive outrage. 她的行为残暴到了极点。
- elastic acoustical reactance 弹性声抗
- 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。
- 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?
- This system can set up acoustical resonances. 这种系统能产生共鸣。
- He was positive that he had seen it in the newspaper. 他肯定他已在报纸上看见过。
- NINGBO APPLE ACOUSTICAL EQUIPMENT CO., LTD. 宁波苹果音响器材有限公司。
- There have been positive developments in international relations. 国际关系已逐步改善。
- opposition to the flow of sound through a surface; acoustic resistance is the real component of acoustic impedance and acoustic reactance is the imaginary component. 声音在通过一个表面时受到的阻力；声阻是声阻抗的实部，声抗是声阻抗的虚部。
