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beech leaf winter leaf dried leaves petiole margin midrib veins leaf blade sinus lobe dried leaves petiole petiole margin midrib sinus sinus sinus sinus sinus

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sinus sinusoidal curve trigonometry transverse wave sinus sinus sinus sinus sinus trigonometry trigonometry

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roman missal tridentine mass sacred heart of jesus missal in latin catholic church tradition missale romanum pious rite v catholic tradition usual mass traditional mass cordis iesu color iesu in sinu iesu

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