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已知A點(diǎn)相對(duì)高程為100m,B點(diǎn)相對(duì)高程為-200m,則高差hAB=______;若A點(diǎn)在大地水準(zhǔn)面上,則B點(diǎn)的絕對(duì)高程為_____
已知A點(diǎn)相對(duì)高程為100m,B點(diǎn)相對(duì)高程為-200m,則高差hAB=______;若A點(diǎn)在大地水準(zhǔn)面上,則B點(diǎn)的絕對(duì)高程為_____
已知A點(diǎn)相對(duì)高程為100m,B點(diǎn)相對(duì)高程為-200m,則高差h AB =______;若A點(diǎn)在大地水準(zhǔn)面上,則B點(diǎn)的絕對(duì)高程為______
已知A點(diǎn)相對(duì)高程為100m,B點(diǎn)相對(duì)高程為-200m,則高差hAB=______;若A點(diǎn)在大地水準(zhǔn)面上,則B點(diǎn)的絕對(duì)高程為_____
已知A點(diǎn)相對(duì)高程為100m,B點(diǎn)相對(duì)高程為-200m,則高差h AB =______;若A點(diǎn)在大地水準(zhǔn)面上,則B點(diǎn)的絕對(duì)高程為______
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