̹ ȸǴ ֱ ϴ ö ȣ쿡 ϱ ġ õ, () μ , ϱ 18 μ ߴ.
ȸǿ ΰ, , öü, ðǼ ֿ Ͻü μ ϰ ִ Ͻü Ȳ ˰ȹ ϰ å ż ϱ ߴ.
å 5⸶ ǥ̴(GPR, Ground Penetrating Radar) Ž, CCTV ǽϰ , ÷ 縦 ǽ Ư̻ ١ .
, ֱ , λ Ҿ ߵǰ ִ Ȳ̸, ȣ ⸦ å ʿ伺 ϰ ȭ ǽø ϱ ǰ Ҵ.
뱸ô ǽ(4 ), ǽ(4~6), å ǥ ñ ȭ ȹ̴.
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