单词	ratio standard
释义	ratio standard 比例标准
随便看	test of drug allergy test of drug-susceptibility test of dynamic balance test of educational diploma test of effect of sudden power change test of efficiency test of end test of energy resolving rate test of engine test of engineering characteristics test of engineering mechanics property test of english as a foreign language test of english as a foreign languagetoefl test of english as a foreign language toefl testo-fenil Testo-fenil Test of equality of estimator Test of expiratory function test of falling point test of fatigueand adaptation test of fault block test of fibrinogen content test of fire control computer test of floating dock test of flutter