共 21 条
[14]
HOLL R, 1983, 14TH P INT SHOCK TUB, P563
[16]
PVDF MEMBRANE HYDROPHONE PERFORMANCE PROPERTIES AND THEIR RELEVANCE TO THE MEASUREMENT OF THE ACOUSTIC OUTPUT OF MEDICAL ULTRASONIC EQUIPMENT
[J].
JOURNAL OF PHYSICS E-SCIENTIFIC INSTRUMENTS,
1983, 16 (08)
:786-796
[17]
SMITH RA, 1986, P I ACOUST, V8, P119
[19]
WHICKHAM JEA, 1985, BR MED J, V290, P1188
[20]
1985, IEC SC29DWG8 INT EL