以下关于激光器的说法正确的是？ Which of the following statements about lasers are correct?
举一反三
- 下列关于会计作用的说法正确的有（ ）。Which of the the following statements about the role of accounting are correct ? ( ).
- Which of the following statements about ...ikely to be correct?
- Which of the following statements is not correct about the idiom “庖丁解牛”？
- In marketing, which of the following statements about promotion are correct?
- Which of the following statements about “performance anxiety” is correct?