Some preliminary works were done in measuring cosmic neutron current. The results show that cosmic neutron currents change regularly in different meteorological conditions.
初步进行了宇宙中子流的测量，结果表明：在不同的气象条件下，宇宙中子流呈现有规律的变化。
Some preliminary works were done in measuring cosmic neutron current. The results show that cosmic neutron currents change regularly in different meteorological conditions.
初步进行了宇宙中子流的测量，结果表明：在不同的气象条件下，宇宙中子流呈现有规律的变化。
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