static state______
举一反三
- Last night he attended a state______ at Buckingham Palace. A: banquets B: banquet C: dinner D: supper
- 6. contact A: the state of talking or speaking B: the state of acting C: the state of communicating or meeting D: the state of laughing
- Why does the existence of intermediate state in the 4-level laser can promote the production of laser beam? A: reach population inversion between ground state and metastable state B: reach population inversion between ground state and intermediate state C: reach population inversion between ground state and pumped state D: reach population inversion between intermediate state and metastable state
- When the initial state and the final state are fixed, "the sum of work and heat" is the state function.
- Which of the following state is not slave-holding state in 1860?