These are called "distortion products" and happen at multiples of the fundamental test tone.

这些称“畸变产品”并且发生在根本测试口气的倍数。

youdao

Mankind's true moral test, its fundamental test (which lies deeply buried from view), consists of its attitude towards those who are at its mercy: animals.

人类真正的道德测试，其基本的测试(它藏得深深的不易看见)，包括了对那些受人支配的东西的态度，比如动物。

youdao

Still, the fundamental requirements for a successful production environment are the same as they have ever been, and that is to test, test thoroughly, and test often!

不过，成功的生产环境的基本需求仍然与以前相同，这些需求对测试的全面化和经常化非常重要！

youdao

He called for" fundamental change of the test before any more money is wasted and any more people are hurt".

BBC: MPs criticise disability benefits tests

While he deals primarily in technical analysis, Ross thinks there are fundamental reasons why the long-overdue test of the 200-day moving average may be ahead.

FORBES: Still Buying Apple? Next Stop May Be $574

That is, the assessments must be grounded on existing nuclear test data, nonnuclear tests, fundamental science experiments, and simulations using validated computer models.

CENTERFORSECURITYPOLICY: US Nuclear Stockpile