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燕辽生物群
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燕辽生物群
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Yanliao biota
燕辽生物群
发现于中国燕山山脉以北、大兴安岭以南、浑善达克沙地以东和辽河以西的中—晚侏罗世的化石生物群。
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fixed cone of instantaneous axes
fixed coordinate
fixed coupling
fixed crane
fixed cross section chart
fixed cross section survey
fixed crushing station
fixed cycle
fixed decimal point
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fixed disaster-prevention green space
fixed dummy block extrusion
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fixed-effect model
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fixed-ended beam
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fixed endpoint variational problem
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fixed-field accelerator
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