問題詳情
19. 利用視距法測量距離,精度可達
(A)1/2000~1/5000
(B)1/10000~1/30000
(C)1/100~1/200
(D)1/300~1/1000。
(A)1/2000~1/5000
(B)1/10000~1/30000
(C)1/100~1/200
(D)1/300~1/1000。
參考答案
無參考答案
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