【单选题】英版海图图式中,缩写“LANBY”代表:
【单选题】Traditional math regards constructivist maths curriculum as memorizing simple formulas.
【简答题】Write formulas when names are given and write names using Greek prefixes when formulas are given. a. nitric oxide b. carbon disulfide c. N2O3 d. N2O e. SO3 f. P2O5
【判断题】串接在正弦交流电路中的功率表 , 仅测量交流电路的有功功率。 ( )