题目内容

1 Nauticalmile(NMornmi)=_________m.

A. 1,752
B. 1,852
C. 1,952
D. 2,052

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Nanotechnologyisthemanipulationofmatterwithatleastonedimensionsizedfrom____________nm.

A. 1-50
B. 1-100
C. 1-150
D. 1-200

1 m = _______ nm.

A. 10^8
B. 10^9
C. 10^-9
D. 10^12

1 nm = _______ pm.

A. 10
B. 100
C. 1,000
D. 10,000

1 mm = _______ nm.

A. 10^5
B. 10^6
C. 10^-6
D. 10^12

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