randomize

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ran·dom·ize (also randomise British English) /ˈrændəmaɪz/ verb [transitive] technical  to choose things in a way that is not carefully controlled or planned in order to do a scientific test 〔为进行科学实验而〕随机选择 The numbers have been randomized. 这些数字是随机选择的。 a randomized trial of a new drug 对新药的随机试验→ See Verb table

ran·dom·ize verbChineseSyllable  

way to in a Corpus choose that things

randomize
ran‧dom‧ize (also randomise British English) /ˈrændəmaɪz/ verb [transitive] technical
to choose things in a way that is not carefully controlled or planned in order to do a scientific test:
    The numbers have been randomized.
    a randomized trial of a new drug

ran·dom·ize (BrE also ran·dom·ise) BrE /ˈrændəmaɪz/ 🔊NAmE /ˈrændəmaɪz/ 🔊 verbpresent simple - I / you / we / they randomize BrE /ˈrændəmaɪz/ 🔊 NAmE /ˈrændəmaɪz/ 🔊present simple - he / she / it randomizes BrE /ˈrændəmaɪzɪz/ 🔊 NAmE /ˈrændəmaɪzɪz/ 🔊past simple randomized BrE /ˈrændəmaɪzd/ 🔊 NAmE /ˈrændəmaɪzd/ 🔊past participle randomized BrE /ˈrændəmaɪzd/ 🔊 NAmE /ˈrændəmaɪzd/ 🔊 -ing form randomizing BrE /ˈrændəmaɪzɪŋ/ 🔊 NAmE /ˈrændəmaɪzɪŋ/ 🔊~ sth (specialist) to use a method in an experiment, a piece of research, etc. that gives every item an equal chance of being considered; to put things in a random order 使随机化；（使）作任意排列