利用慢中子束对钢板厚度的静态测量方法进行了研究。
The static method is used to measure the thickness of steel plate by means of slow neutron beam.
石墨是很好的减速剂，减慢中子并且让它们的反应保持在一个适当的温度范围内。
Graphite is a great moderator, slowing down the neutrons and keeping their reaction in the proper temperature range.
你能够正确地减慢中子，通过将它们散射，用一个恰当的，慢化剂，这样它们就不会损耗或者被吸收。
And that you can appropriately slow down the neutrons by scattering them with an appropriate moderator such that they're not lost or absorbed.
你能够正确地减慢中子，通过将它们散射，用一个恰当的，慢化剂，这样它们就不会损耗或者被吸收。
And that you can appropriately slow down the neutrons by scattering them with an appropriate moderator such that they're not lost or absorbed.
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