试题抽样  item sampling

网页标题抽取  title extraction

主题抽取  topic extraction; subject extraction

主题抽题  Thematic content analysis

COD测试试剂  COD test reagents

DNA提取试剂盒  DNA extraction kit; total DNA extraction

E化英文试题  E-learning English tests

RNA提取试剂盒  RNeasy Plant Mini Kit

标准化病人试题  SP items

标准化试题库  standard test database

并车调试试验  paralleling

操作技能试题库  Examination questions’ storehouse of manipulative

测试试验  testing experiment; Test system; Test; measuring test; testing trial

尝试试错法  trial and error method

匙取试验  spoon test

萃取<试>剂  extracting reagent

等应变速率固结试试验  consolidation test under constant rate of strain

地面靶试试验  ground targeting test

调试试验  debugging test