6556| 9
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三坐標(biāo)測(cè)量時(shí)是以哪面為基準(zhǔn)? |
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點(diǎn)評(píng)
要用好三坐標(biāo),處理好測(cè)量誤差和構(gòu)造,是大學(xué)問(wèn)啊
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