The existence of higherordermode waves in expansion mufflers is proved theoretically.
从理论上推导了扩张室消声器内可能存在的高次波。
2
The existence of higherordermode waves (HOMW) in expansion mufflers is proved theoretically.
从理论上证明了高阶模波（如家快捷）的存在，在扩张消声器。
3
Responsibility for the implementation of higherordermode of behavior the principle of absolute liability, the principle of responsibility, and mixed conditions, the principle of responsibility.