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binary system piezoelectric ceramics critical patients eigenarray familial polycythemia finger-press method hose union hump-back inspection glass for oil level keyway gage lymph-scrotum Nekso(Nexo) optical quartz phoriascop principal-factor solution prosti-tot Schefflera bodinieri sternberger taraxacum heterolepis nakai et koidz. terminal dissipation line xikang