cardinal mark
Alternative spelling of 1000-metre.
Initialism of European Patent Office.
plural of chemometrician
(nautical) A sea mark (a buoy or other floating or fixed structure) used in pilotage to indicate the position of a hazard and the direction of safe water.
船長は乗組員に、沈んだ岩礁の位置を示し安全な水域の方向を示す方位標を避けるよう命じた。
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