Which of the following can be obtained by means of an indicator card?（）
举一反三
- 中国大学MOOC: A pure culture can be obtained by which of the following techniques?
- Which of the following is a credit card？
- Which of the following is a creadit card？
- A pure culture can be obtained by which of the following techniques? A: spread plate B: streak plate C: pull plate D: wound healing
- Which of the following is not essential in a name card?