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TM 商標; [縮]transcendental meditation 商標; [縮]transcendental meditation Tm n 1: a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime [synonym: {thulium}, {Tm}, {atomic number 69}] |
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