This electrocircuit has three amplifiers and gains good performance. The relevant sampling result is also presented.

该电路采用三运放结构，具有良好的性能，文中给出了相关的测试结果；

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The result: this sampling of what you can find on Reddit, ranked in descending order of popularity.

FORBES: The 4,000 Tribes of Reddit: Who Are These People?

The reason for this seemingly dotty result is that the errors from scientific sampling are easier to quantify (and minimise) than those arising from an imperfect head-count.

ECONOMIST: Statistics

As a result, the explorers are now drilling more sampling holes than planned, which means they are progressing more slowly than hoped.

BBC: Arctic team gives up on ice radar