天线的方向作用
antenna dirctional characteristi-cs
天线的各向同性增益
isotropic gain of an antenna
天线的功率馈电
power feed for antenna
天线的接地系统
ground system of an antenna
天线的绝对增益
absolute gain of an anfenna
天线的频带宽度
band width of antenna
天线的调谐
antenna tuning
天线的相对增益
relative gain of an antenna
天线的择向性
directivity of an antenna
同线的
collinear
同一直线的
collinear
透过光化线的
diactinic
透X射线玻璃
X-ray-transmitting glass
缩影X线照相术
miniature roentgenography
胎儿X线照相术
fetography
体层X线照相术
body section radiography; body section roentgenography; radiotomy; sectional radiography; sectional roentgenography; stratigraphy; vertigraphy
体腔X线管
endodiascope
体腔X线管检查
endodiascopy
体腔X线疗法
intracavitary x-ray
体腔X线照相术
endoradiography