11.   The rest of the lunar material has been loaned to museums or research organizations.

a. + material >>共 922
nuclear 4.99%
radioactive 4.13%
building 4.10%
new 3.77%
hazardous 3.53%
genetic 2.61%
bomb-making 1.24%
explosive 1.07%
reading 1.07%
educational 1.05%
lunar 0.09%
lunar + n. >>共 133
calendar 12.79%
surface 8.39%
holiday 5.03%
eclipse 5.03%
landscape 4.82%
landing 3.35%
base 2.94%
cycle 2.73%
material 2.31%
rock 2.31%
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