例句與造句

1. The SM-73 was designed to carry radar reflectors and active electronic countermeasures operating in S-band, L-band, and lower frequencies.
2. The AN / SLQ-32 countermeasures set provided " Fletcher " with additional defense against anti-ship missiles through the use of active electronic countermeasures.
3. Flight II of the " Arleigh Burke " class, introduced in 1992, incorporated improvements to the SPY radar, and to the Standard missile, active electronic countermeasures, and communications.
4. It's difficult to find active electronic countermeasures in a sentence. 用active electronic countermeasures造句挺難的