共 244 条
- [2] ADKINS LR, 1970, MICROWAVE J, V13, P87
- [3] ADLER EL, 1969, SEP IEEE ULTR S ST L
- [4] AN INSTRUMENT FOR MAKING SURFACE WAVES VISIBLE [J]. IEEE TRANSACTIONS ON SONICS AND ULTRASONICS, 1968, SU15 (03): : 157 - +
- [5] ADLER R, 1968, Patent No. 3388334
- [7] ARMOSTRONG DB, 1968, SEP IEEE ULTR S NEW