只有发散球面波才是唯一稳定解。
The only stable solution is the diverging spherical wave.
youdao
其工作电压要求是平滑而稳定的正弦波。
The voltage requires being smooth and stable sine wave.
提供稳定纯正弦波,以便实验室作各种测试。
To provide a stable pure sine wave for laboratory testing for all.
应用推荐
模块上移
模块下移
不移动