"距"がつく4文字の言葉

(1)レンズから、その焦点までの距離

(2)the distance from a lens to its focus

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(1)非常に近い

(2)very close; "without my reading glasses I can hardly see things close up"; "even firing at close range he missed"

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(1)どの2点をとっても、その距離が対称で、三角不等式を満たす、負でない実数が存在するような点の集合

(2)a set of points such that for every pair of points there is a nonnegative real number called their distance that is symmetric and satisfies the triangle inequality

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(1)（与えられた周波数の）電波信号が、電離層からの反射によって、送信機から受信機まで伝わる最短距離

(2)the shortest distance that permits radio signals (of a given frequency) to travel from the transmitter to the receiver by reflection from the ionosphere

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(1)非常に近い

(2)very close

(3)very close; "without my reading glasses I can hardly see things close up"; "even firing at close range he missed"

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(1)長距離をカバーしている

(2)covering a long distance; "a long-distance runner"; "a long-distance freight train"; "she ran off with a long-distance truck driver"

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