| 释义 | 
             
                threshold substances
                
            危险物质wēi xiǎn wù zhì 
 hazardous substance; dangerous substance视阈shì yù 
 visual threshold矿物质kuàng wù zhì 
 mineral substance阈值yù zhí 
 threshold; threshold value阀值fá zhí 
 threshold value; threshold level阈量yù liàng 
 threshold dosage; threshold dose阈yù 
 threshold; doorsill腐蚀性物质fǔ shí xìng wù zhì 
 corrosive substance; corrosive material; corrodent坎kǎn 
 bank; ridge; threshold阈区yù qū 
 threshold region牢固láo gù 
 substance; fastness; secure物质wù zhì 
 matter; substance; material槛kǎn 
 banisters; balustrade; cage; threshold门槛mén kǎn 
 doorsill; threshold; sill阈电流yù diàn liú 
 threshold current阈电路yù diàn lù 
 threshold circuit阈反转yù fǎn zhuǎn 
 threshold inversion阈检测yù jiǎn cè 
 threshold detection阈逻辑yù luó jí 
 threshold logic阈浓度yù nóng dù 
 threshold concentration阈效应yù xiào yīng 
 threshold effect衔华佩实xián huá pèi shí 
 a good essay which has solid substance and beautiful sentences几丁质jǐ dīng zhì 
 chitin; chitinous substance辚lín 
 rattle of carriage; threshold; wheel阈值条件yù zhí tiáo jiàn 
 threshold condition
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