A.同一張圖上緯度1′的長(zhǎng)度不變 B.同一張圖上經(jīng)度1′的長(zhǎng)度不變 C.同一地點(diǎn)經(jīng)線方向變形比緯線方向變形大 D.B+C
A.兩緯線緯度漸長(zhǎng)率之差 B.兩緯線緯度漸長(zhǎng)率差與圖上1nmile長(zhǎng)度之積 C.兩緯線緯度漸長(zhǎng)率差與圖上1赤道里長(zhǎng)度之積 D.B或C
A.經(jīng)差大、緯差小 B.經(jīng)差小、緯差大 C.經(jīng)差大、緯差大 D.經(jīng)差小、緯差小