According to the lately force magnetic theory, tiny Holl probe was used to practice magnetic flux leakage (MFL) testing on R3 middle-carbon steel.

根据最新力磁理论，使用微型霍尔探头对R3碳钢进行漏磁检测。

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Maybe the rocks are moved by a magnetic force.

也许岩石是被磁力移动的。

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The test USES magnetic force to control individual droplets containing added magnetic particles.

测试中使用磁力控制含有附加磁珠的每滴黏液。

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Another group of commodities industrial metals seems to be exerting a magnetic force on some unusual targets.

WSJ: The Intelligent Investor: Why Your Stocks Are Acting Like Commodities

"There is a black hole, a magnetic force that draws powers back to Whitehall, " he said.

BBC: UK Politics

What mysterious magnetic force binds Tom Tancredo, the border-enforcing Colorado congressman, to Al Gore, the Earth saver?

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