试验标本 meaning in English

test specimen

He handled the test sample with care , because he was afraid of spoiling it
他小心地拿着试验标本,怕把它弄坏。
Uu . . soils : investigation and testing . shear strength tests with revolving triaxial test apparatus . apparatus . preparation of test specimens . unconsolidated and undrained test . consolidated and undrained test with measurement of the interstitial pressure . consolidated , drained test
土壤:调查与试验.用三轴试验仪器测剪切强度试验.仪器.试验标本的制备.松散的不排水的