cathode ray; electron beam
Tone colorsmāmámǎmàma
Meanings
1 sense · 4 examplesnoun
stream of electrons emitted from the cathode and accelerated toward the anode in a vacuum tube; cathode ray
technicalIn physics and electronics, cathode rays travel in straight lines unless deflected by magnetic or electric fields. They cause fluorescence in certain materials and are the principle behind CRT displays and electron microscopes.
Yīn阴
jí极
shè射
xiàn线
zài在
cí磁
chǎng场
zhōng中
huì会
fā发
shēng生
piān偏
zhuǎn转
。
Cathode rays will be deflected when passing through a magnetic field.
Lǎo老
shì式
diàn电
shì视
jī机
lì利
yòng用
yīn阴
jí极
shè射
xiàn线
xiǎn显
xiàng像
guǎn管
xiǎn显
shì示
tú图
xiàng像
。
Old-style televisions use cathode ray tubes to display images.
Show 2 more examplesShow fewer examples
Diàn电
zǐ子
xiǎn显
wēi微
jìng镜
shǐ使
yòng用
yīn阴
jí极
shè射
xiàn线
lái来
guān观
cè测
wēi微
xiǎo小
wù物
tǐ体
。
Electron microscopes use cathode rays to observe tiny objects.
Yīn阴
jí极
shè射
xiàn线
néng能
shǐ使
yíng荧
guāng光
wù物
zhì质
fā发
guāng光
。
Cathode rays can cause fluorescent materials to emit light.