... nonlinear propagation 非线性传播 nonstandard propagation 反差传播; 反常传播 normal propagation 正常传播; 正比传播; 正常传播 ...
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beam nonlinear propagation 非线性传输
nonlinear propagation effects 非线性传播效应
nonlinear propagation equation 非线性传播方程
ultrasonic nonlinear propagation 超声波非线性传播
nonlinear propagation of light 非线性光传输
nonlinear propagation in fibres 光纤非线性传输
linear and nonlinear propagation 线性和非线性传输
When no contrast is employed, harmonics are generated by tissue itself as a result of nonlinear propagation.
当不使用造影剂时，谐波是由非线性传播产生的。
A novel audio beam loudspeaker is fabricated by utilizing the nonlinear propagation effects of ultrasonic in the air to generate audible high directivity sound.
一种新颖的声束扬声器是捏造的利用超声波在空气中的非线性传播效应，产生声音的高指向性的声音。
A novel audio beam loudspeaker which based on nonlinear propagation effects of ultrasonic in the air to generate audible sound with high directivity is presented.
提出了一种利用空气中超声波非线性传播效应制作的、可产生高指向性可听声的新型声束扬声器。
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