A.1:500 B.1:1000 C.1:2000 D.1:5000
A.1:500B.1:1000C.1:2000D.1:5000
A.基準(zhǔn)(起始數(shù)據(jù))的設(shè)計(jì) B.控制網(wǎng)圖形的設(shè)計(jì) C.觀測(cè)值權(quán)的設(shè)計(jì) D.控制網(wǎng)改進(jìn)的設(shè)計(jì)(加密設(shè)計(jì))