In order to reduce radiation on the operator, a remote-control nuclear surface moisture-density gauge is developed by improving the original nuclear surface moisture-density gauge.

为减少放射源对仪器操作人员辐射的影响，对表层型核子水分-密度仪进行了改进，研制出遥读遥测式表层型核子水分-密度仪。

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The idea is that a person would operate a robotic device remotely, but would receive or "feel" signals from a dangerous environment, such as a nuclear reactor or the surface of another planet.

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It is extremely rare on earth as it is created during very active nuclear reactions, most commonly found on the surface of the sun, but here can only be found as a by-product of the maintenance of nuclear weapons.

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Decisions were made a long time ago that this transuranic waste, a legacy from our nuclear weapons days, should not just sit around at the surface waiting for an accident to happen, but should be put in the safest, most isolated place on Earth, so that nothing can happen to it.

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