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支水准路线往返测高差之和在无误差时应接近？

"}}],["$","ol",null,{"className":"mt-4 space-y-2.5 sm:mt-5 sm:space-y-3","children":[["$","li","2088525879389982720",{"children":["$","div",null,{"className":"flex min-w-0 items-start gap-2.5 rounded-xl border px-3 py-2.5 text-sm leading-relaxed sm:gap-3 sm:px-3.5 sm:py-3 sm:text-base border-border bg-surface text-slate-700","children":[["$","span",null,{"className":"inline-flex h-7 w-7 shrink-0 items-center justify-center rounded-full border text-xs font-semibold tabular-nums sm:h-8 sm:w-8 sm:text-sm border-border-strong bg-muted text-slate-600","aria-hidden":"true","children":"A"}],["$","div",null,{"className":"rich-html min-w-0 max-w-full break-words text-base leading-relaxed text-slate-800 min-w-0 flex-1 pt-0.5 !text-inherit !leading-[inherit] [&_p]:my-0","dangerouslySetInnerHTML":{"__html":"

$2\\sum h$

"}}],null]}]}],["$","li","2088525880824434688",{"children":["$","div",null,{"className":"flex min-w-0 items-start gap-2.5 rounded-xl border px-3 py-2.5 text-sm leading-relaxed sm:gap-3 sm:px-3.5 sm:py-3 sm:text-base border-success bg-success-soft text-slate-800","children":[["$","span",null,{"className":"inline-flex h-7 w-7 shrink-0 items-center justify-center rounded-full border text-xs font-semibold tabular-nums sm:h-8 sm:w-8 sm:text-sm border-success bg-success text-white","aria-hidden":"true","children":"B"}],["$","div",null,{"className":"rich-html min-w-0 max-w-full break-words text-base leading-relaxed text-slate-800 min-w-0 flex-1 pt-0.5 !text-inherit !leading-[inherit] [&_p]:my-0","dangerouslySetInnerHTML":{"__html":"

"}}],["$","span",null,{"className":"shrink-0 pt-0.5 text-xs font-medium text-success sm:text-sm","children":"正确"}]]}]}],["$","li","2088525882338578432",{"children":["$","div",null,{"className":"flex min-w-0 items-start gap-2.5 rounded-xl border px-3 py-2.5 text-sm leading-relaxed sm:gap-3 sm:px-3.5 sm:py-3 sm:text-base border-border bg-surface text-slate-700","children":[["$","span",null,{"className":"inline-flex h-7 w-7 shrink-0 items-center justify-center rounded-full border text-xs font-semibold tabular-nums sm:h-8 sm:w-8 sm:text-sm border-border-strong bg-muted text-slate-600","aria-hidden":"true","children":"C"}],"$L1b",null]}]}],"$L1c"]}],"$L1d"]}],"$L1e"]}]

支水准路线往返测高差之和在无误差时应接近？

参考答案

参考解析