m n. the medium, method, or instrument used to obtain a result or achieve an end
举一反三
- Channel (sometimes called the medium) is the method used to deliver a message.
- For the transportation problem, the potential method and the closed loop method are used to calculate the test number, then the result ( ) A: must be the same B: must be different C: may not be exactly the same D: no connection
- As a research method, interview is used to _____. A: measure participants’ performance in the interview B: focus on the influence of different social variables C: obtain information by provoking response from participants D: obtain data by observing interviewees’ daily behavior
- 如果仪器没有给出结果，就做一个测试。 A: If the instrument does not give a result, do a test. B: If the instrument fails to respond, do a test. C: If the instrument fails to result, do a test.
- The medium used when cultivating mycoplasma belongs to (). A: Basic medium B: Selection medium C: Differential medium D: Enriched medium