Remove all grammatical errors from this text: In addition, the close helium or nitrogen Brayton power cycles were adopted thus allowing the high temperature generated by the MSR to be efficiently used.
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TheD is a 100% accurate and reliable method for the determination of theD, which is the most accurate method for the determination of theD. The accuracy of the method is 99.999999999999999999999999999999999999999999999999999999